"Honest pioneer work in the field of science has always been, and will continue to be, life's pilot. On all sides, life is surrounded by hostility. This puts us under an obligation."

"The fact that political ideologies are tangible realities is not a proof of their vitally necessary character. The bubonic plague was an extraordinarily powerful social reality, but no one would have regarded it as vitally necessary."

"Love, work, and knowledge are the wellsprings of our lives, they should also govern it."

"Since Hiroshima and the Holocaust, science no longer holds its pristine place as the highest moral authority. Instead, that role is taken by human rights. It follows that any assault on Jewish life - on Jews or Judaism or the Jewish state - must be cast in the language of human rights."

"Yes, I was a big math and computer geek, that's true. I was driven by the scholastic side of things. For me, it was all about what I could do with math and computers."

"Internationalism is a community theory of society which is founded on economic, spiritual, and biological facts. It maintains that respect for a healthy development of human society and of world civilization requires that mankind be organized internationally."

"It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring."