Quran, Chapter 3, Verse 185:
"Every soul will taste death, and you will only be given your [full] compensation on the Day of Resurrection. So he who is drawn away from the Fire and admitted to Paradise has attained [his desire]. And what is the life of this world except the enjoyment of delusion."
"The problem with the world is that fools and fanatics are always so sure of themselves, and the wiser people so full of doubts."
"The fish trap exists because of fish; once you have the fish you can forget the trap. The rabbit snare exists because of the rabbit; once you have the rabbit you can forget the snare. Words exist because of meaning; once you have the meaning you can forget the words. Where can I can I find someone who has forgotten words, so I can talk with them?"