I have a responsibility to tell the truth. The truth about what we`ve done, and what we`ll do.
Mathematics is a vast adventure; its history reflects some of the noblest thoughts of countless generations.
Mathematicians grow very old; it is a healthy profession. The reason you live long is that you have pleasant thoughts. Math and physics are very pleasant things to do.
I've lived this long because I didn't die.
The sun illuminates only the eye of the man, but shines into the eye and the heart of the child.
The United States has weakened itself with Iraq; Iranians feel victorious - they feel capable of filling the void. I think from the very outset the nuclear issue has been secondary to the more strategic outlook, in which the United States has, since 1991, pursued a policy that it cannot permit any country in the region to become too powerful and challenge American hegemony.
I really hope that when I leave, my last trace will be beautiful.
If I were to name the three most precious resources of life, I should say books, friends, and nature.