Hypotheses are what we lack the least.

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.

Every good marriage must be a friendship between two people who are willing to sacrifice for the other person.

Little do men perceive what solitude is and how far it extendeth. For a crowd is not company and faces are but a gallery of pictures and talk but a tinkling cymbal where there is no love.

Success is like reaching an important birthday and finding you're exactly the same.

I believe you can do 99 percent of the things right but not possess a positive winning attitude, and you will fail.

Peace Love Rock and Roll!!!

It doesn't take any longer to improvise 10 takes than it takes to shoot 10 takes of the same thing. It turns out to be just as responsible from a business point of view as anything else.

...the facility at Guantanamo Bay is necessary to national security.

When I was very young and the urge to be someplace was on me, I was assured by mature people that maturity would cure this itch.

Do you want - do you want - do you want to dance with me baby?

When I start a movie, the first day, I feel like a duck.