“Nowhere can man find a quieter or more untroubled retreat than in his own soul.”
Source: Meditations
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Marcus Aurelius 400
Emperor of Ancient Rome 121–180Related quotes

The Educational Theory of Immanuel Kant (1904)
Context: Man has his own inclinations and a natural will which, in his actions, by means of his free choice, he follows and directs. There can be nothing more dreadful than that the actions of one man should be subject to the will of another; hence no abhorrence can be more natural than that which a man has for slavery. And it is for this reason that a child cries and becomes embittered when he must do what others wish, when no one has taken the trouble to make it agreeable to him. He wants to be a man soon, so that he can do as he himself likes.
Part III : Selection on Education from Kant's other Writings, Ch. I Pedagogical Fragments, # 62

“A man cannot free himself from the past more easily than he can from his own body.”
Un Art de Vivre (The Art of Living) (1939), The Art of Thinking

“A man’s dying is more the survivors’ affair than his own.”
Source: The Magic Mountain (1924), Ch. 6
Source: Buddy Holly is Alive and Well on Ganymede (1991), p. 84

Remarks at the Monogahela House (14 February 1861); as published in The Collected Works of Abraham Lincoln (1953) by Roy P. Basler, vol. 4, p. 209
1860s

Voltaire, Foreign Review, (1829); compare: "How comes it to pass, then, that we appear such cowards in reasoning, and are so afraid to stand the test of ridicule?", Shaftesbury, Characteristics. A Letter concerning Enthusiasm, sect. 2.; "Truth, 't is supposed, may bear all lights; and one of those principal lights or natural mediums by which things are to be viewed in order to a thorough recognition is ridicule itself", Shaftesbury, Essay on the Freedom of Wit and Humour, sect. 1.; "'T was the saying of an ancient sage [Gorgias Leontinus, apud Aristotle's "Rhetoric," lib. iii. c. 18], that humour was the only test of gravity, and gravity of humour. For a subject which would not bear raillery was suspicious; and a jest which would not bear a serious examination was certainly false wit", ibid. sect. 5.
1820s, Critical and Miscellaneous Essays (1827–1855)