Coincidence is what you have left over when you apply a bad theory.

There is no adequate defense, except stupidity, against the impact of a new idea.

Nature does not count nor do integers occur in nature. Man made them all, integers and all the rest, Kronecker to the contrary notwithstanding.

Science is what scientists do, and there are as many scientific methods as there are individual scientists.

The first business of a man of science is to proclaim the truth as he finds it, and let the world adjust itself as best it can to the new knowledge.

It is the merest truism, evident at once to unsophisticated observation, that mathematics is a human invention.

The true meaning of a term is to be found by observing what a man does with it, not by what he says about it.

My point of view is that science is essentially private, whereas the almost universal counter point of view, explicitly stated in many of the articles in the Encyclopaedia, is that it must be public.

In general, we mean by any concept nothing more than a set of operations; the concept is synonymous with the corresponding set of operations.

Ofttimes the test of courage becomes rather to live than to die.

What I can do for my country, I am willing to do.

I have been accused of not taking seriously the FA Cup on Saturday ... I have won four times the FA Cup. Who has won it more? Give me one name.

Similarity of opinion is not always—I think not often—needed for fullness and perfection of love.

Chanting Hare Krishna can make a person a better Christian.

True love is willing to warn, reprove, confront or admonish when necessary.

It's not my business to raise anybody else's kids. Mom and Dad got to do all that.

I am warning my people, but I'm also warning Iran, and warning Saudi Arabia, and warning China and Russia and Europe. We are at the end of this world.

A code of behavior is an inevitable part of life in any community, and if we hadn't inherited ours, we should have had to invent one.

The GOP needs to live the planks of its platform, not just offer lip service.