Old habits are strong and jealous.

There are seeds of self-destruction in all of us that will bear only unhappiness if allowed to grow.

A problem is often half-solved when it is clearly stated.

Fiction supplies the only philosophy that may readers know; it establishes their ethical, social, and material standards; it confirms them in their prejudices or opens their minds to a wider world.

All that is necessary to break the spell of inertia and frustration is this: Act as if it were impossible to fail. That is the talisman, the formula, the command of right-about-face which turns us from failure towards success.

So long as new ideas are created, sales will continue to reach new highs.

The genius keeps all his days the vividness and intensity of interest that a sensitive child feels in his expanding world.