All our knowledge has its origins in our perceptions. ― Leonardo da Vinci

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Be sure you put your feet in the right place, then stand firm. — Abraham Lincoln

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What is right and what is practicable are two different things. -James Buchanan

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Beware of false knowledge; it is more dangerous than ignorance.

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Thought must be divided against itself before it can come to any knowledge of itself.

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Anyone who stops learning is old, whether he’s twenty or eighty. — Henry Ford

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A girl phoned me the other day and said... 'Come on over, there's nobody home.' I went over. Nobody was home. -Rodney Dangerfield

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Do you want to know who you are? Don’t ask. Act! Action will delineate and define you. – Thomas Jefferson

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Last night I lost the world, and gained the universe. ― C. JoyBell C.

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What's the point of having great knowledge and keeping them all to yourself? ― Donald J. Trump

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