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To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.

Nicolaus Copernicus

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To acquire knowledge, one must study;
but to acquire wisdom, one must observe.

Marilyn vos Savant

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Ideas are the source of all things

Plato

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It does not matter where you go and what you study, what matters most is what you share with yourself and the world.

Santosh Kalwar

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The true delight is in the finding out rather than in the knowing.

Isaac Asimov

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We understand more than we know.

Margaret Atwood

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I don't fancy colors of the face, I'm always attracted to colors of the brain.

Michael Bassey Johnson

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Everybody gets so much information all day long that they lose their common sense.

Gertrude Stein