A man is like a phonograph with half-a-dozen records. You soon get tired of them all; and yet you have to sit at table whilst he reels them off to every new visitor.

Every fool believes what his teachers tell him, and calls his credulity science or morality as confidently as his father called it divine revelation.

Those who do not know how to live must make a merit of dying.

We know there is intention and purpose in the universe, because there is intention and purpose in us.

The fact that a believer is happier than a skeptic is no more to the point than the fact that a drunken man is happier than a sober one.

Seemingly unreasonable people attempt to adapt the world to themselves. Much progress, therefore, depends on such people.

What right has any human being to talk of bringing up a child? You do not bring up a tree or a plant. It brings itself up. You have to give it a fair chance by tilling the soil.