He who is anxious to seek it (Lailat-ul-Qadr) should seek it in the last ten (nights of Ramadan).
Sahih Muslim Book 13, Hadith 272
← Previous Hadith Seek it (Lailat-ul-Qadr) in the last (ten nights). If one among you shows slackness and weakness (in the earlier part of Ramadan), it should not be allowed to prevail upon him in the last week.

Sahih Muslim Book 13, Hadith 271 Next Hadith → Seek the time of Lailat-ul-Qadr in the last (ten nights), or he said: in the last nine (nights).

Sahih Muslim Book 13, Hadith 273