Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

Business success and environmental responsibility can and should go hand in hand.

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.

Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be, because of the obscurity of the subject, and the brevity of human life.

I think it's really important to have a strong sense of self and to know who you are and what you want.