Obvious is the most dangerous word in mathematics.

I have always hated machinery, and the only machine I ever understood was a wheelbarrow, and that but imperfectly.

Nevertheless, the consuming hunger of the uncritical mind for what it imagines to be certainty or finality impels it to feast upon shadows in the prevailing famine of substance.

Euclid taught me that without assumptions there is no proof. Therefore, in any argument, examine the assumptions.

The mistakes and unresolved difficulties of the past in mathematics have always been the opportunities of its future...

The only royal road to elementary geometry is ingenuity.

Even stranger things have happened; and perhaps the strangest of all is the marvel that mathematics should be possible to a race akin to the apes.

It is the perennial youthfulness of mathematics itself which marks it off with a disconcerting immortality from the other sciences.

The very basis of creative work is irreverence! The very basis of creative work is bold experimentation. There has never been a creator of lasting importance who has not also been an innovator.

The longer mathematics lives the more abstract - and therefore, possibly also the more practical - it becomes.

Science makes no pretension to eternal truth or absolute truth.

Despite her fears she found, The secret to an outstanding life, Is risking the fall, For the possibility of flight.

Howard's unbelievably nutty, politically incorrect style is probably the single biggest influence on me.

You feel good while you're running and you feel even better when you're finished.

One reads alone, even in another's presence.

We all have our time machines, don't we. Those that take us back are memories...And those that carry us forward, are dreams.

All memory is fiction.

Slasher Hathaway marks his territory by spending money. He might as well have pissed on her. It means nothing.

I'm so blessed that I can still be here to bring the music and have new generations of fans. My Pops would be so proud.

It is easy to know when a government wishes for peace by observing the character of the person sent to negotiate for it.

Peter Schweizer's book, Clinton Cash, is not discredited. It has been quoted on the front page of the New York Times and the Washington Post.