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

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Consider your origins: you were not made to live as brutes, but to follow virtue and knowledge. — Dante Alighieri

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I think self-knowledge is a key to happiness. We can build happy lives only on the foundation of our own natures, our own values and our own interests. — Gretchen Rubin

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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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Knowledge earns you power, character earns you respect.

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When I examine myself and my methods of thought, I come to the conclusion that the gift of fantasy has meant more to me than any talent for abstract, positive knowledge. Albert Einstein

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In order to be really good as a librarian, everything counts towards your work, every play you go see, every concert you hear, every trip you take, everything you read, everything you know. I don’t know of another occupation like that. The more you know, the better you’re going to be. ― Allen Smith

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Two there are who are never satisfied -- the lover of the world and the lover of knowledge. ― Rumi

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

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I do not pretend to be able to prove that there is no God. I equally cannot prove that Satan is a fiction. The Christian god may exist; so may the gods of Olympus, or of ancient Egypt, or of Babylon. But no one of these hypotheses is more probable than any other: they lie outside the region of even probable knowledge, and therefore there is no reason to consider any of them. ― Bertrand Russell

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