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The Constitution only guarantees the American people the right to pursue happiness. You have to catch it yourself.

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Too often we give children answers to remember rather than problems to solve.

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Every man ought to be supposed a knave, and to have no other end, in all his actions, but private interest. By this interest we must govern him, and by means of it, make him cooperate to public good, notwithstanding his unsatiable avarice and ambition.

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I like a beautiful song that tells you terrible things. We all like bad news out of a pretty mouth.

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When one is trying to do something beyond his known powers it is useless to seek the approval of friends. Friends are at their best in moments of defeat.

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Whoever despises himself still respects himself as one who despises.

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The problem is never how to get new, innovative thoughts into your mind, but how to get old ones out. Every mind is a building filled with archaic furniture. Clean out a corner of your mind and creativity will instantly fill it.

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The evil men do lives after them, the good is often interred with their bones.

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Energy is that amazing feeling that comes to life inside of you when you

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Let us grant that the pursuit of mathematics is a divine madness of the human spirit, a refuge from the goading urgency of contingent happenings.

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