The night prayer during Ramadan

1) the messenger of allah (peace be upon him) said:

((whoever stands (for the night prayer during) ramadan with belief and hope, (then) his past sins will be forgiven)),

[the authenticity of this narration has been agreed upon by al-bukhaaree and muslim] 

2) ((the prophet (peace be upon him) used to pray 13 rak'ahs at night)),

[transmitted by al-bukhaaree]

3) ((the prophet (peace be upon him) did not exceed more than 11 rak'ahs (for the night prayer) during ramadan and other than it)),

[the authenticity of this narration has been agreed upon by al-bukhaaree and muslim] 

4) the messenger of allah (peace be upon him) said:

((whoever stands (for the night prayer on) the night of power (laylatul-qadr) with belief and hope, (then) his past sins will be forgiven)),

[the authenticity of this narration has been agreed upon by al-bukhaaree and muslim] 

5) the messenger of allah (peace be upon him) said:

((seek out laylatul-qadr during the odd nights of the last ten (nights) of ramadan)),

[transmitted by al-bukhaaree] 

6) regarding the messenger of allah (peace be upon him): ((when the final ten nights or ramadan arrived he used spend the night awake and awaken his family, and exert himself (in worship) and tighten his waist belt)),

[the authenticity of this narration has been agreed upon by al-bukhaaree and muslim] 

translator's note: ((tighten his waist belt)) is a manner of speech implying he used to exert himself in worship. 

7) 'aa.ishah (peace be upon him) said: i said o messenger of allah: what should i say if i know which night is laylatul-qadr? he said:

((say: o allah! you are the one who pardons greatly, and loves to pardon, so pardon me)),

[saheeh, transmitted by at-tirmidhee]