It's not enough that you believe what you see. You must also understand what you see.

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They're certainly entitled to think that, and they're entitled to full respect for their opinions... but before I can live with other folks I've got to live with myself. The one thing that doesn't abide by majority rule is a person's conscience. ― Harper Lee

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Simplicity is the ultimate sophistication.

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Learning is the only thing the mind never exhausts, never fears, and never regrets.

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As a well-spent day brings a happy sleep, so a well-employed life brings a happy death. ― Leonardo da Vinci

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A bird is like an instrument working according to mathematical law, and it is in the capacity of man to reproduce such an instrument ― Leonardo da Vinci

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All thoughts start from emotions.

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Light is the chaser away of darkness. Shade is the obstruction of light ― Leonardo da Vinci

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Your brain is much better than you think; just use it!

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Most men are of naught more use in their lives but as machines for turning food into sh*t.

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