There comes a point in your life when you need to stop reading other people's books and write your own.

Intellectual growth should commence at birth and cease only at death.

Stupidity is a personal achievement which transcends national boundaries.

Fraulein Noether was the most significant creative mathematical genius thus far produced since the higher education of women began.

The world as we see it is only the world as we see it. Others may see it differently.

When we first got married, we made a pact. It was this: In our life together, it was decided I would make all of the big decisions and my wife would make all of the little decisions. For fifty years, we have held true to that agreement. I believe that is the reason for the success in our marriage. However, the strange thing is that in fifty years, there hasn’t been one big decision.

There is a race between mankind and the universe. Mankind is trying to build bigger, better, faster, and more foolproof machines. The universe is trying to build bigger, better, and faster fools. So far the universe is winning.