The truth is, I don't know where my ideas come from. What I do know is that they come when I'm not trying to think of them.

The only thing that separates successful people from the others is hard work.

The more you give, the more you get.

伤害我们的并非我们的遭遇，而是我们对此的回应。

"The past is a foreign country; they do things differently there."

The knowledge of the circumstances of which we must make use never exists in concentrated or integrated form, but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.

The chemical industry is the backbone of modern civilization, and we must treat it with the responsibility it deserves.

The main difference between me and other people who have amassed this kind of money is that I am primarily interested in ideas, and not in making money.