“Aristotle maintained that women have fewer teeth than men; although he was twice married, it never occurred to him to verify this statement by examining his wives’ mouths.”

It seems to me fundamental dishonesty, and a fundamental treachery to intellectual integrity to hold a belief because you think it’s useful and not because you think it’s true.

The fundamental concept in social science is power, in the same sense in which energy is the fundamental concept in physics.

To be able to fill leisure intelligently is the last product of civilization, and at present, very few people have reached this level.

Dogmatism is the greatest of mental obstacles to human happiness.

There are two motives for reading a book; one, that you enjoy it; the other, that you can boast about it.

How much longer is the world willing to endure this spectacle of wanton cruelty?

The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.

The only thing that will redeem mankind is cooperation.

To fear love is to fear life, and those who fear life are already 3 parts dead.

It’s easy to fall in love. The hard part is finding someone to catch you.

I believe that when I die I shall rot, and nothing of my ego will survive.

Neither a man nor a crowd nor a nation can be trusted to act humanely or to think sanely under the influence of great fear.

Your writing is never as good as you hoped, but never as bad as you feared.

Not to be absolutely certain is, I think, one of the essential things in rationality.

One of the painful things about our time is that those who feel certainty are stupid, and those with any imagination and understanding are filled with doubt and indecision.

Men are born ignorant, not stupid; they are made stupid by education.

The true basis of morality is utility; that is, the adaptation of our actions to the promotion of the general welfare and happiness; the endeavour so to rule our lives that we may serve and bless mankind.

In many parts of the world, a man’s accusing finger always finds a woman. But I think we need women to solve the problems that men create.

Take man’s most fantastic invention- God. Man invents God in the image of his longings, in the image of what he wants to be, then proceeds to imitate that image, vie with it, and strive to overcome it.

The speaker does not feel the grammatical rules he is said to apply in composing sentences, and men spoke grammatically for thousands of years before anyone knew there were rules.

Man is a spiritual intelligence, who has taken flesh with the object of gaining experience in worlds below the spiritual, in order that he may be able to master and to rule them, and in later ages take his place in the creative and directing hierarchies of the universe.

A fool dreams of wealth. A wise man dreams of happiness!

Let love flow so that it cleanses the world. Then man can live in peace, instead of the state of turmoil he has created through his past ways of life, with all those material interests and earthly ambitions.

Man shall not live by bread alone, but by every word that proceeds from the mouth of God.