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Many of us have heard opportunity knocking at our door, but by the time we unhooked the chain, pushed back the bolt, turned two locks, and shuts off the burglar alarm - it was gone.

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You can do anything you think you can. This knowledge is literally the gift of the gods, for through it you can solve every human problem. It should make of you an incurable optimist. It is the open door.

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Truly great madness cannot be achieved without significant intelligence.

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Few cases of eyestrain have been developed by looking on the bright side of things.

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Condense some daily experience into a glowing symbol, and an audience is electrified.

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The tipping custom originated in England when small sums were dropped into a box marked T.I.P.S. --TO INSURE PROMPT SERVICE.

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Men of strong minds and who think for themselves, should not be discouraged on finding occasionally that some of their best ideas have been anticipated by former writers; they will neither anathematize others nor despair themselves. They will rather go on discovering things before discovered, until they are rewarded with a land hitherto unknown, an empire indisputably their own, both right of conquest and of discovery.

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Originality is simply a pair of fresh eyes.

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If you give your son only one gift, let it be enthusiasm.

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A mother is not a person to lean on but person to make leaning unnecessary.

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