يَا ابْنَ آدَمَ! لَوْ بَلَغَتْ ذُنُوبُك عَنَانَ السَّمَاءِ ثُمَّ اسْتَغْفَرْتنِي غَفَرْتُ لَك
O son of Adam! Were your sins to reach up the clouds of the sky,
and you were then to ask forgiveness from Me, I would forgive you.
Listen here:
(Taken from Hadeeth 23 of Nawawi’s 42. At-Tirmidhee)