Introduction
The Holy Prophet (peace be upon him and his progeny) has said:
Those people from amongst my ummah, who memorise forty traditions pertaninig to those issues of religion, which they are in need of, Allah shall resurrect them on the Day of Judgment as jurisprudents and scholars. (Bihaar al-Anwaar, vol. 2, p. 156; Al-Ikhtasaas, p.2)

Hadith No. 1
Why the name 'Ramadhan'?
The Holy Prophet (S.A.W.) said:
Surely, the month of Ramadhan has been named so because it scorches away the sins.
Kanz al-'Ummal, H.: 23688

Hadith No. 2
The Name of God
Imam Sadiq (A.S.) has said:
Say not, "This is Ramadhan" and "Ramadhan has departed" and "Ramadhan has arrived" for surely, Ramadhan is one of the names of Allah, The Mighty, the Glorious, who neither arrives nor departs. Surely, arrives and departs that, which is ephemeral, Instead say: "The month of Ramadhan".
Al-Kafi, 4, pg,: 70

Hadith No. 3
The Month of Revelation of the Qur'an
Imam Reza (A.S.) has said:
If one asks, "Why is it that the fasts were made obligatory exclusively in the month of Ramadhan and not in the other months?" it would be said, "(this is) because the month of Ramadhan is the month in which Allah, the Exalted, had revealed the Qur'an."
Bihar al-Anwar, vol.: 18, Pg,: 190

Hadith No. 4
Reward for Recitation of the Qur'an
Imam Reza (A.S.) has said:
Someone who recites one verse from the Book of Allah, The Mighty, The Glorious, in the month or Ramadhan, is like one who has recited the entire Qur'an in the other months.
Bihar al-Anwar, vol.: 93, Pg.: 344

Hadith No. 5
Reward of the Month of Ramadhan
The Holy Prophet (S.A.W.) was asked:
O' Prophet of Allah! Which of the two months possesses a greater reward, Rajab or the month of Ramadhan?
The Holy Prophet (S.A.W.) replied:
Nothing can be compared to the month of Ramadhan in terms of reward.
Bihar al-Anwar, vol,: 97, pg,: 49

Hadith No. 6
The Month of God
The Holy Prophet (S.A.W.) said:
Sha'ban is my month and the month of Ramadhan is the month of Allah, The Exalted, and it is the springtime for the poor.
Bihar al-Anwar, vol,: 97, Pg,: 68

Hadith No. 7
The Chosen Month
The Holy Prophet (S.A.W.) said:
Surely, Allah, The Mighty, The Glorious, has chosen from amongst the months (and granted preference to), the months of Rajab, Sha'ban and the month of Ramadhan.
Bihar al-Anwar, vol,: 27, Pg,: 53.

Hadith No. 8
The Great Month
The Holy Prophet (S.A.W.) said:
Surely, the month of Ramadhan is a great month. Allah multiplies in it the good deeds, erases in it the sins and elevates in it the ranks.
Wasail al-Shia'h, vol,: 10, Pg,: 312

Hadith No. 9
The Chief of the Months
Imam 'Ali (A.S.) said:
The month of Ramadhan has approached you. It is the chief of all months and the beginning of the year.
Bihar al-Anwar, vol.: 42, Pg,: 193

Hadith No. 10
The Beginning of the Year
Imam Sadiq (A.S.) said:
If the month of Ramadhan remains safe and sound (with respect to sins), the (entire) year shall remain so (too);
the month of Ramadhan is the beginning of the year.
Wasail al-Shia'h vol.: 10, Pg,: 311

Hadith No. 11
The Month of Mercy
The Holy Prophet (S.A.W.) has said:
It (Ramadhan) is the month, whose beginning is mercy, its middle, forgivness and its end, emancipation from the fire (of hell).
Bihar al-Anwar, vol,: 93, Pg,: 342

Hadith No. 12
Excellence of the Month of Ramadhan
The Holy Prophet (S.A.W.) said:
O' People! Surely, the month of God has approached you. The month which, in the eyes of Allah, is the most virtuous of the months. Its days are the best of the days and its nights, the best of the nights and its moments, the best of the moments.
Bihar al-Anwar, vol,: 96, Pg.: 356

Hadith No. 13
The Best of the Months
Imam Sadiq (A.S.) said:
The best of the months is the month of God - the month of Ramadhan - and the heart of the month of Ramadhan is the Night of Qadr (Lailatul Qadr).
Bihar al-Anwar, vol.: Pg.: 386.

Hadith No. 14
The Night of Qadr
The Holy Prophet (S.A.W.) said:
O' People! Surely, a great and blessed month has enveloped you. A month, in which there is a night, deeds in which are better than of a thousand months.
Bihar al-Anwar, vol.: 96, Pg.:342.

Hadith No. 15
Gift of Allah's Month
The Holy Prophet (S.A.W.) said:
Your breath in it glorification (of Allah) and your sleep in it worship (of Allah).
Bihar al-Anwar, vol.: 96, Pg.: 356.

Hadith No. 16
Fasts of the Month of Ramadan
The Holy Prophet (S.A.W.) said:
The month of Ramadhan is the month in which Allah, The Mighty, The Glorious, has made fasting obligatory upon you. So one, who fasts in this month in a state of belief and with the intention of recompense, shall become free of his sins just as he was on the day when his mother gave him birth.
Tahdheeb al-Ahkam, vol.: 4, Pg.: 152.

Hadith No. 17
The Month of Spiritual Striving
In his testament to his sons, Imam Sadiq (A.S.) said:
When the month of Ramadhan arrives, exert yourselves, for surely it is in this month that livelihood is distributed, the hour of death is ordained and the arriving for Hajj is decreed. In it is a night, deeds in which are better than deeds in a thousand months.
Al-Kafi, vol.: 4, Pg.:66.

Hadith No. 18
The Month of Good Deeds
The Holy Prophet (S.A.W.) said:
This month of yours (Ramadhan) is unlike the other months. Surely, when it approaches you, it does so with blessings and mercy and when it turns away from you, it does so with forgiveness of sins. This is a month in which good deeds are multiplied and of goodness accepted.
Wasail al-Shia'h, vol.: 10, pg.: 312.

Hadith No. 19
The Blessed Month
The Holy Prophet (S.A.W.) has said:
Surely, the month of Ramadan, the blessed month, has come to you. The month, whose fasts Allah has made obligatory upon you. In it, the doors of Paradise are opened up and the Satans fettered, and in it is the Night of Qadr, which is more virtuous than a thousand months.
Tahdheeb al-Ahkam, vol.: 4, Pg.: 152.

Hadith No. 20
The Month of Ramadhan and Seeking Forgiveness
Imam 'Ali (A.S.) said:
It is incumbent upon you to seek forgiveness and supplicate excessively in the month of Ramadhan. As for the supplication, by means of it the calamities are warded off from you, and as for the seeking of forgiveness, it erases away your sins.
Al-Kafi, vol.: 4, Pg.: 88.

Hadith No. 21
Opening of the doors of Paradise
The Holy Prophet (S.A.W.) said:
In it (the month of Ramadhan) the doors of Hell are closed and the doors of Paradise opened.
Bihar al-Anwar, vol.: 96, Pg.: 363.

Hadith No. 22
The Month of Ramadhan and I'tekaaf
Imam Sadiq (A.S.) has said:
The Holy Prophet (S.A.W.), initally observed the I'tekaaf (spiritual retreat) during the first ten days of the month of Ramadhan. Later, he observed it during the middle ten days of the holy month and finally, he obseved it during the last 10 days of the month and then continued to do so in the last ten days (for as long as he was alive).
Bihar al-Anwar, vol.: 16, Pg.: 274.

Hadith No. 23
The Month of Ramadhan and Divine Books
Imam Sadiq (A.S.) said:
The Torah was revealed on the sixth day of the month of Ramadhan, the Bible, on the twelfth night of the month, the Paslms on the eighteenth night of the month and the Qur'an on the Night of Qadr.
Al-Kafi, vol.: 4, Pg.: 157.

Hadith No. 24
The Best Deed of the Month of Ramadhan
During the course of a sermon of the Holy Prophet (S.A.W.) about the virtues of the month of Ramadhan... Imam 'Ali (A.S.) says: I stood up and asked: O' Prophet of Allah! What is the best deed for this month?
The Holy Prophet (S.A.W.) replied:
O' Abul-Hasan! The best deed for this month is abstinence from that which is forbidden by Allah, The Mighty The Glorious.
Bihar al-Anwar, vol.: 42, Pg.: 190.

Hadith 25
Losers of the Month of Ramadhan
The Holy Prophet (S.A.W.) said:
One who perceives the month of Ramadhan and (does not strive in it and hence) is not forgiven, Allah distances him from Himself.
Bihar al-Anwar, vol.: 74, Pg.: 74.

Hadith No. 26
Imam Sajjad (A.S.) and the Month of Ramadhan
Imam Sadiq (A.S.) said:
With the advent of the month of Ramadhan, Imam 'Ali Ibn al-Husain (A.S.) would cease to speak about anything except dua, tasbeeh (glorification of Allah), isteghfar (seeking forgiveness) and takbeer (saying 'Allahu Akbar').
Al-Kafi, vol.: 4, Pg.: 88.

Hadith No. 27
Fridays of the Month of Ramadhan
Imam Baqir (A.S.) has said:
Surely, the Fridays of the month of Ramadhan possess an excellence over the Fridays of the other months, just as the Holy Prophet (S.A.W.) possesses an excellence over the other prophets.
Bihar al-Anwar, vol.: 69, Pg.: 376.

Hadith No. 28
Seven Excellences of Fasting
The Holy Prophet (S.A.W.) has stated:
There is no Mu'min, who fasts for a day in the month of Ramadhan with the intention of attaining its rewards, except that Allah, The Exalted, grants him 7 excellences:
1. The forbidden food that had entered into his body melts away.
2. He moves closer to the Mercy of Allah, The Exalted.
3. Allah expiates his sins.
4. Allah reduces for him the agony of death.
5. Allah protects him from the hunger and thirst of the Day of Judgment.
6. He is granted pardon from the fire (of Hell).
7. Allah provides him the good and pleasant food of Paradise.
Mustadrak al-Wasaail al-Shia'h, vol.: 7, Pg. 395.

Hadith No. 29
The Month of Patience
The Holy Prophet (S.A.W.) said:
And it (the month of Ramadhan) is the month of patience, and surely, the reward of patience is Paradise.
Al-Kafi, vol. 4, Pg. 66.

Hadith No. 30
Giving Charity
Imam Sadiq (A.S.) has said:
Allah shall ward off 70 kinds of calamities from one who gives charity in the month of Ramadhan.
Wasaail al-Shia'h, vol. 9, Pg. 404.

Hadith No. 31
Reward of an Obligatory Act
The Holy Prophet (S.A.W.) has stated:
(The rewards of) one, who performs in it (the month of Ramadhan) a single act from amongst the obligatory (wajib) acts of Allah, would be like (that of) one, who has performed seventy obligatory acts in the other months.
Wasaail al-Shia'h, vol. 10, Pg. 307.

Hadith 32
Night of Decree
Imam Baqir (A.S.) said:
In the Night of Qadr is decreed every thing - pleasant and unpleasant, obedience and disobedience, birth and death, and livelihood - which would occur during the course of that year, till the next Night of Qadr.
Al-Kafi, vol. 4, Pg. 157.

Hadith No. 33
Increase Prayers in the Month of Ramadhan
Imam Sadiq (A.S.) has said:
With the advent of the month of Ramadhan, the Messenger of Allah (S.A.W.) would increase his Prayers (salaat); I also increase mine and so, (you) increase yours (too).
hdheeb al-Akhaam, vol. 3, Pg. 60.

Hadith No. 34
Eating of Sahur
The Holy Prophet (S.A.W.) has said:
Eat your 'sahur' (the morning meal before the start of a fast) even if it is (mere) mouthfuls of water, for the blessings of Allah are upon those who eat the sahur.
Tahdheeb al-Akhaam, vol. 4, Pg. 198.

Hadith No. 35
Hunger and Thirst of the Day of Judgment
Imam A'li (A.S.) said:
Bring to mind, by means of your hunger and thirst in it (the month of Ramadhan), the hunger and thirst of the Day of Judgment.
Bihar al-Anwar, vol. 93, Pg. 356.

Hadith No. 36
The Call of Allah
Abdullah Ibn al-A'bbas Ibn Abd al-Muttalib reports that he heard the Holy Prophet (S.A.W.) say:
Every night, in the month of Ramadhan, Allah, The Blessed and The Exalted, calls out three times: Is there one, who seeks from Me, so that I grant him his wish? Is there one, who turns to me in repentance so that I turn to him (in Mercy)? Is there one, who seeks forgiveness from Me so that I forgive him?
Mustadrak al-Wasaail, vol. 7, Pg. 429.

Hadith No. 37
Ghusl on Night of Qadr
Imam Musa Ibn Ja'far (A.S.) said:
One, who performs the ghusl on the Night of Qadr and remains awake in it(engaged in worship), shall have all his sins forgiven.
Wasaail al-Shia'h, vol. 10, Pg. 358.

Hadith No. 38
Shield of a Believing Servant
Allah,The Mighty and The Glorious has said:
The fasts are the shield of the believing servants on the Day of Judgment, just as your weapons shield you in this world.
Wasail al-Shiah,vol.10, pg.403

Hadith No. 39
Iftaar for Mu'min
The Holy Prophet (S.A.W.) said:
One who provides iftaar to a Mu'min in the month of Ramadhan, shall be granted the reward of liberating a slave (in the path of Allah) and shall have all his previous sins forgiven. And if he did not possess the means to present anything except milk mixed with water, or a drink of sweet water and a date, Allah would grant him this reward.
Bihar al-Anwar, vol. 93, Pg. 317.

Hadith No. 40
Farewell to the Month of Ramadhan
The Holy Prophet (S.A.W.) prayed:
O' God! Ordain not this month of Ramadhan to be the last one for my fasts. But should you ordain it to be so, then make me blessed and leave me not deprived (of Your mercy).
Badaabi Az Quran, Pg.: 398.