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The universe is flux, life is opinion.

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It is not fit that I should give myself pain, for I have never intentionally given pain even to another.

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You have the power to strip away many superfluous troubles located wholly in your judgement, and to possess a large room for yourself embracing in tho...more

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For outward show is a wonderful perverter of the reason.

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Swiftly the remembrance of all things is buried in the gulf of eternity.

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From the philosopher Catulus, never to be dismissive of a friend's accusation, even if it seems unreasonable, but to make every effort to restore the ...more

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The things you think about determine the quality of your mind.

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Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.

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The time of a man's life is as a point; the substance of it ever flowing, the sense obscure; and the whole composition of the body tending to corrupti...more

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Even the least of our activities ought to have some end in view.

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If someone is able to show me that what I think or do is not right, I will happily change, for I seek the truth, by which no one was ever truly harmed...more

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Think not so much of what you lack as of what you have: but of the things that you have, select the best, and then reflect on how eagerly you would ha...more

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It is in your own power to maintain the beauty of your soul, or to be a decent human being.

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Live out your life in truth and justice, tolerant of those who are neither true nor just.

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…praise does not make anything better or worse.