Pick the assumptions to pieces till the stuff they are made of is exposed to plain view - this is the cardinal rule for understanding the basis of our beliefs.

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.

Obvious is the most dangerous word in mathematics.

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.

All that sadness. All that anger. It is the smoke that gets into your eyes. If you do not blow it away, how can you hope to see?

Let me talk to my mother. She is listening from above.

A goose flies by a chart which the Royal Geographical Society could not improve.

All weddings, except those with shotguns in evidence, are wonderful.

She knows there's no success like failure, and that failure's no success at all.

It gets harder every day to get out of bed. I don't feel like it loads of the time. It is only my exercise routine which wakes me up.

Evolution has never found a way to be any speed but very slow.

Philosophy has a fine saying for everything.-For Death it has an entire set.

Getting old we can deal with. Being old is the problem

I suddenly discovered that acting made girls notice me.