Ramadhan

Quran was revealed on this month
“The month of Ramadan in which was revealed the Quran, a guidance for mankind and clear proofs for the guidance and the criterion (between right and wrong). So whoever of you sights (the crescent on the first night of) the month , he must observe Saum (fasts) that month”. (Qur’an, 2:185)

Laylat al Qadr- better than a thousand months
“Verily! We have sent it (this Quran) down in the night of Al-Qadr (Decree). And what will make you know what the night of Al-Qadr (Decree) is? The night of Al-Qadr (Decree) is better than a thousand months (i.e. worshipping Allah in that night is better than worshipping Him a thousand months, (i.e. 83 years and 4 months). Therein descend the angels and the Ruh [Jibrael (Gabriel)] by Allah’s Permission with all Decrees, Peace! (All that night, there is Peace and Goodness from Allah to His believing slaves) until the appearance of dawn.”(Qur’an, 97:1-5)

Prophet Muhammad (peace be upon him) said, “Whoever fasts Ramadhan out of faith & in hope of reward, his previous sins will be forgiven.”(Al-Bukhari)
Prophet Muhammad (peace be upon him), “Whoever spends the nights of Ramadhan in prayer out of faith & in the hope of reward, his previous sins will be forgiven.”(Al-Bukhari)

Prophet Muhammad (peace be upon him) said, “When Ramadhan comes, the gates of Paradise are opened & the gates of Hell are closed, & the devils are chained up.” (Al-Bukhari)

Prophet Muhammad (peace be upon him) said, “The five daily prayers , from one Jumu’ah to the next and from one Ramadhan to the next are expiation for (sins committe) in between, so long as you avoid major sins.”(Muslim)

Prophet Muhammad (peace be upon him) said, ,”Umrah in Ramadhan is equivalent to Hajj.” (Al-Bukhari and Muslim)

Prophet Muhammad (peace be upon him) said, “Umrah in Ramadhan is equivalent to doing Hajj with me.” (Muslim)

Aishah (may Allah be pleased be pleased with her) said that, “the Prophet (peace be upon him) used to spend the last ten days of Ramadhan in i’tikaaf until he passed away.” (Al-Bukhari and Muslim)

It is narrated that , “Jibreel used to meet the Prophet (peace be upon him) every night in Ramadhan and study the Qur’an with him. (Al-Bukhair and Muslim)