Every time you stop a school, you will have to build a jail. What you gain at one end you lose at the other. It's like feeding a dog on his own tail. It won't fatten the dog.

The cat, having sat upon a hot stove lid, will not sit upon a hot stove lid again. Nor upon a cold stove lid.

Every time I reform in one direction I go overboard in another.

One of the proofs of the immortality of the soul is that myriads have believed it. They also believed the world was flat.

Courage is resistance to fear, mastery of fear, not absence of fear.

Children and fools always speak the truth

Never put off until tomorrow what you can avoid altogether. A clean desk is a sign of a cluttered desk drawer. All you need in this life is ignorance and confidence, and then success is sure.