A man's own self is the last person to believe in him, and is harder to cheat than the rest of the world.

The heretic is always better dead. And mortal eyes cannot distinguish the saint from the heretic.

What you are to do without me I cannot imagine.

A man has no business to marry a woman who can't make him miserable. It means she can't make him happy.

The notion that Nature does not proceed by jumps is only one of the budget of plausible lies that we call classical education. Nature always proceeds by jumps. She may spend twenty thousand years making up her mind to jump; but when she makes it up at last, the jump is big enough to take us into a new age.

Man's inhumanity to man is only surpassed by his cruelty to animals

It is a monstrous thing to force a child to learn Latin or Greek or mathematics on the ground that they are an indispensable gymnastic for the mental powers. It would be monstrous even if it were true.