What science cannot discover, mankind cannot know.
More important than the curriculum is the question of the methods of teaching and the spirit in which the teaching is given.
Many a man will have the courage to die gallantly, but will not have the courage to say, or even to think, that the cause for which he is asked to die is an unworthy one.
Extreme hopes are born of extreme misery.
You may kill an artist or a thinker, but you cannot acquire his art or his thought.
Work is of two kinds: first, altering the position of matter at or near the earth’s surface relatively to other such matter; second, telling other people to do so.
With the introduction of agriculture mankind entered upon a long period of meanness, misery, and madness, from which they are only now being freed by the beneficent operation of the machine.
Why is propaganda so much more successful when it stirs up hatred than when it tries to stir up friendly feeling?
Whoever wishes to become a philosopher must learn not to be frightened by absurdities.
Whether true or false, idealism is not to be dismissed as obviously absurd.
When the intensity of emotional conviction subsides, a man who is in the habit of reasoning will search for logical grounds in favour of the belief which he finds in himself.
We think too much of production, and too little of consumption. One result is that we attach too little importance to enjoyment and simple happiness, and that we do not judge production by the pleasure that it gives to the consumer.