“Some other faculty than the intellect is necessary for the apprehension of reality.”

An absolute can only be given in an intuition, while all the rest has to do with analysis.

The motive power of democracy is love.

It is emotion that drives the intelligence forward in spite of obstacles.

The movement of the stream is distinct from the river bed, although it must adopt its winding course.

Intuition is a method of feeling one’s way intellectually into the inner heart of a thing to locate what is unique and inexpressible in it.

Sex-appeal is the keynote of our whole civilization.

In short, intelligence, considered in what seems to be its original feature, is the faculty of manufacturing artificial objects, especially tools to make tools, and of indefinitely urging the manufacture.

You will obtain a vision of matter that is perhaps fatiguing for your imagination, but pure and stripped of what the requirements of life make you add to it in external perception.

Europe is overpopulated, the world will soon be in the same condition, and if the self-reproduction of man is not rationalized… we shall have war.

There is no greater joy than that of feeling oneself a creator. The triumph of life is expressed by creation.

To ease another’s burden, help to carry it.

Laughter appears to stand in need of an echo, Listen to it carefully: it is not an articulate, clear, well-defined sound; it is something which would fain be prolonged by reverberating from one to another.

In laughter we always find an unavowed intention to humiliate and consequently to correct our neighbour.

The idea of the future, pregnant with an infinity of possibilities, is thus more fruitful than the future itself, and this is why we find more charm in hope than in possession, in dreams than in reality.

Only those ideas that are least truly ours can be adequately expressed in words.

For life is tendency, and the essence of a tendency is to develop in the form of a sheaf, creating, by its very growth, divergent directions among which its impetus is divided.

Conservatism has had from its inception vigorously positive, intellectually rigorous agenda and thinking. That agenda should have in my three pillars: strengthen the economy, strengthen our security, and strengthen our families.

Love is created and preserved by intellectual analysis, for we love only that which is unique, and it belongs to contemplation, not to action, for we would not change that which we love.

In my experience most mathematicians are intellectually lazy and especially dislike reading experimental papers. He seemed to have very strong biological intuitions but unfortunately of negative sign.

It is difficult to estimate the misery inflicted upon thousands of persons, and the absolute pecuniary penalty imposed upon multitudes of intellectual workers by the loss of their time, destroyed by organ-grinders and other similar nuisances.

There is no firm reason to anticipate that the intellectual capacities of peoples geographically separated in their evolution should prove to have evolved identically. Our wanting to reserve equal powers of reason as some universal heritage of humanity will not be enough to make it so.

A knowledge of the true age of the Earth and of the fossil record makes it impossible for any balanced intellect to believe in the literal truth of every part of the Bible in the way that fundamentalists do.

In my experience most mathematicians are intellectually lazy.

An intellectual hate is the worst.