“He that respects himself is safe from others; he wears a coat of mail that none can pierce.”

Variant translations:
Above all, do not lie to yourself. A man who lies to himself and listens to his own lie comes to a point where he does not discern any truth either in himself or anywhere around him, and thus falls into disrespect towards himself and others. Not respecting anyone, he ceases to love, and having no love, he gives himself up to passions and coarse pleasures, in order to occupy and amuse himself, and in his vices reaches complete bestiality, and it all comes from lying continually to others and to himself. A man who lies to himself is often the first to take offense. It sometimes feels very good to take offense, doesn't it? And surely he knows that no one has offended him, and that he himself has invented the offense and told lies just for the beauty of it, that he has exaggerated for the sake of effect, that he has picked on a word and made a mountain out of a pea — he knows all of that, and still he is the first to take offense, he likes feeling offended, it gives him great pleasure, and thus he reaches the point of real hostility… Do get up from your knees and sit down, I beg you, these posturings are false, too.
Part I, Book I: A Nice Little Family, Ch. 2 : The Old Buffoon; as translated by Richard Pevear and Larissa Volokhonsky, p. 44
The Brothers Karamazov (1879–1880)

Adv. Prax. 18 http://www.intratext.com/IXT/LAT0788/_P1.HTM
Against Praxeas https://www.newadvent.org/fathers/0317.htm
Original: (la) Igitur unus deus pater, et absque eo alius non est: quod ipse inferens non filium negat sed alium deum: ceterum alius a patre filius non est.

"Postscript", p. 153.
The Anarchist Cookbook (1971)
Context: If people depend on the state to make laws, to prevent themselves from doing what they really want to do, then I say these people are nuts. I mean to say, if I really want to do something, I don't particularly care if it's legal, illegal, moral, immoral, or amoral. I want to do it, so I do it. The only laws a man can truly respect are the ones he makes for himself.

The Principles of Success in Literature (1865)
Context: A man must be himself convinced if he is to convince others. The prophet must be his own disciple, or he will make none. Enthusiasm is contagious: belief creates belief. There is no influence issuing from unbelief or from languid acquiescence. This is peculiarly noticeable in Art, because Art depends on sympathy for its influence, and unless the artist has felt the emotions he depicts we remain unmoved: in proportion to the depth of his feeling is our sympathetic response; in proportion to the shallowness or falsehood of his presentation is our coldness or indifference.

Being and Nothingness (1943)

Source: 1950s-1960s, The Presentation of Self in Everyday Life, 1959, p. 229

Source: Ever

Old Grimes, reported in Bartlett's Familiar Quotations, 10th ed. (1919). Compare: Compare: "John Lee is dead, that good old man,— / We ne'er shall see him more; / He used to wear an old drab coat / All buttoned down before", Inscription in Matherne Churchyard, To the memory of John Lee, who died May 21, 1823; "Old Abram Brown is dead and gone,— / You'll never see him more; / He used to wear a long brown coat / That buttoned down before", James Orchard Halliwell-Phillipps, Nursery Rhymes of England, p. 60.

Renew America rally in Orem, Utah, March 8, 2000. http://renewamerica.us/archives/speeches/00_03_08utah.htm.
2000