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In the same way as you know that the three angles of a triangle are equal to two right angles: that this is sufficient, will be denied by no one whose brain is sound, and who does not go dreaming of evil spirits inspiring us with false ideas like the true. For the truth is the index of itself and of what is false.

— Baruch Spinoza

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Truth

More quotes by Baruch Spinoza

I do not presume that I have found the best philosophy, I know that I understand the true philosophy.

Nature is satisfied with little; and if she is, I am also.

The Story of Philosophy (1933)

All laws which can be broken without any injury to another, are counted but a laughing-stock, and are so far from bridling the desires and lusts of men, that on the contrary they stimulate them.

Political Treatise (1677)

A free man thinks of death least of all things; and his wisdom is a meditation not of death but of life.

Ethics (1677)

If slavery, barbarism and desolation are to be called peace, men can have no worse misfortune.

Political Treatise (1677)

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You have to start with the truth. The truth is the only way that we can get anywhere. Because any decision-making that is based upon lies or ignorance can't lead to a good conclusion.

Julian Assange

False words are not only evil in themselves, but they infect the soul with evil.

Socrates

I believe in evil. It is the property of all those who are certain of truth. Despair and fanaticism are only differing manifestations of evil.

Edward Teller

Wars produce many stories of fiction, some of which are told until they are believed to be true.

Ulysses S. Grant Personal Memoirs of General U. S. Grant (1885)

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Quote text and notes from Wikiquote: Baruch Spinoza (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.