Skepticism is not an end in itself; it is a tool for the discovery of truths.

Our dilemma is that we hate change and love it at the same time; what we really want is for things to remain the same but get better.

Enemies, as well as lovers, come to resemble each other over a period of time.

The real danger is not that computers will begin to think like men, but that men will begin to think like computers.

Democracy is the only system that persists in asking the powers that be whether they are the powers that ought to be.

Any philosophy that can be put in a nutshell belongs there.

Almost no one is foolish enough to imagine that he automatically deserves great success in any field of activity; yet almost everyone believes that he automatically deserves success in marriage.