Mathematics has a threefold purpose. It must provide an instrument for the study of nature. But this is not all: it has a philosophical purpose, and, I daresay, an aesthetic purpose.

Point set topology is a disease from which the human race will soon recover.

It is by logic that we prove, but by intuition that we discover. To know how to criticize is good, to know how to create is better.

There are no solved problems; there are only problems that are more or less solved.

The scientist does not study nature because it is useful; he studies it because he delights in it, and he delights in it because it is beautiful.

Doubt everything or believe everything: these are two equally convenient strategies. With either we dispense with the need for reflection.

If nature were not beautiful, it would not be worth knowing, and if nature were not worth knowing, life would not be worth living

It is through science that we prove, but through intuition that we discover.

Geometry is the art of correct reasoning from incorrectly drawn figures.

One geometry cannot be more true than another; it can only be more convenient.

It is far better to foresee even without certainty than not to foresee at all.

Why read fiction when real life can be just as interesting?

Safe?” Her voice was small, timid and delicate. But beautiful. The one word chimed like little bells. Her first word spoken to me.

I recall Ghandi said ultimately all things devolve into the political, but I'd argue that all things devolve into pro-people and anti-people. And I can pose the question, which side are you on?

Don't die until you're dead.

The only male singer who I've seen besides myself and who's better than me--that is Michael Jackson.

I’m the girl who trips on the dance floor and can’t find her way to the exit. All eyes on me.

When I look at the world it fills me with sorrow, little children today are really going to suffer tomorrow.

Union busting has become a major industry with more than a thousand consulting firms teaching companies how to prevent workers from organizing and how to get rid of existing unions.

It's not that you make up your ideas to justify your temperament but that it's the temperament first.

If you do not push the boundaries, you will never know where they are.