"Do not procrastinate. Someone has said that procrastination is the thief of time. Actually, procrastination is much more. It is the thief of our self-respect. It nags at us and spoils our fun. It deprives us of the fullest realization of our ambitions and hopes."

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In proportion to the mental energy he spent, the man who creates a new invention receives but a small percentage of his value in terms of material payment, no matter what fortune he makes, no matter what millions he earns. But the man who works as a janitor in the factory producing that invention, receives an enormous payment in proportion to the mental effort that his job requires of him. And the same is true of all men between, on all levels of ambition and ability.

— Ayn Rand