The impossible could not have happened, therefore the impossible must be possible in spite of appearances.

Whenever you find yourself on the side of the majority, it is time to pause and reflect.

Dark and difficult times lie ahead. Soon we must all face the choice between what is right and what is easy.

You can best serve civilization by being against what usually passes for it.

Gravity is only the bark of wisdom's tree; but it preserves it

By three methods we may learn wisdom: first, by reflection which is noblest; second, by imitation, which is the easiest; and third, by experience, which is the bitterest.

Wrong life cannot be lived rightly.

Choose rather to be strong of soul than strong of body.

One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity.

Sometimes you will never know the value of a moment until it becomes a memory.

A person reveals his character by nothing so clearly as the joke he resents.

I think, therefore I am.

Thought can be so seductive and hypnotic that it absorbs your attention totally, so you become your thoughts.

He who is slowest in making a promise is most faithful in its performance.

The best revenge is to be unlike him who performed the injury.

It is hard to fight desire; but to control it is the sign of a reasonable man.

Do not deny the classical approach, simply as a reaction, or you will have created another pattern and trapped yourself there.

Everything excellent is as difficult as it is rare.

Learn from the mistakes of others. You can never live long enough to make them all yourself.

Attachment is the great fabricator of illusions; reality can be attained only by someone who is detached.

An understanding of the natural world is a source of not only great curiosity, but great fulfilment.