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It has yet to be proven that intelligence has any survival value.

The only way to know your limits is to go beyond them.

The only sensible ends of literature are, first, the pleasurable toil of writing; second, the gratification of one's family and friends; and lastly, the solid cash.

The teacher must believe in the potential of his students. He must see in each one of them a spark of the divine fire.

Everyone is a part of the universe.