Dua for Laylatul Qadr
اللَّهُمَّ إِنَّكَ عَفُوٌّ كَرِيمٌ تُحِبُّ الْعَفْوَ فَاعْفُ عَنِّي
Allahumma innaka Afuwwun [Karimun ] tuhibbul `afwa fa`fu `annee
O Allah, indeed You are Pardoning, [Generous,] You love pardon, so pardon me
Source: Tirmidhi: 3513