ability to govern and discipline oneself by the use of reason From Wikiquote, the free quote compendium
Prudence is the exercise of sound judgment in practical affairs. It is classically considered to be a virtue, and in particular one of the four Cardinal virtues (which are with the three theological virtues part of the seven virtues). The word comes from Old French prudence (13th century), from Latin prudentia (foresight, sagacity), a contraction of providentia, foresight. It is often associated with wisdom, insight, and knowledge. In this case, the virtue is the ability to judge between virtuous and vicious actions, not only in a general sense, but with regard to appropriate actions at a given time and place.
You're mistaken: men of sense often learn from their enemies. Prudence is the best safeguard. This principle cannot be learned from a friend, but an enemy extorts it immediately. It is from their foes, not their friends, that cities learn the lesson of building high walls and ships of war. And this lesson saves their children, their homes, and their properties.
You will hear every day the maxims of a low prudence. You will hear, that the first duty is to get land and money, place and name. "What is this Truth you seek? What is this Beauty?" men will ask, with derision. If, nevertheless, God have called any of you to explore truth and beauty, be bold, be firm, be true. When you shall say, "As others do, so will I. I renounce, I am sorry for it, my early visions; I must eat the good of the land, and let learning and romantic expectations go, until a more convenient season." — then dies the man in you; then once more perish the buds of art, and poetry, and science, as they have died already in a thousand thousand men. The hour of that choice is the crisis of your history; and see that you hold yourself fast by the intellect.
Ralph Waldo Emerson in "Literary Ethics" an address to the Literary Societes of Dartmouth College (24 July 1838).
A prudent and discreet Silence will be sometimes more to thy Advantage, than the most witty expression, or even the best contrived Sincerity. A Man often repents that he has spoken, but seldom that he has held his Tongue.
Thomas Fuller, Introductio ad prudentiam: Part II, 2593 (1727).
Since men almost always walk in the paths beaten by others and carry on their affairs by imitating—even though it is not possible to keep wholly in the paths of others or to attain the ability of those you imitate—a prudent man will always choose to take paths beaten by great men and to imitate those who have been especially admirable, in order that if his ability does not reach theirs, at least it may offer some suggestion of it; and he will act like prudent archers, who, seeing that the mark they plan to hit is too far away and knowing what space can be covered by the power of their bows, take an aim much higher than their mark, not in order to reach with their arrows so great a height, but to be able, with the aid of so high an aim, to attain their purpose.
A prudent Chief not always must display His Pow'rs in equal Ranks, and fair Array, But with th' Occasion and the Place comply, Conceal his Force, nay seem sometimes to Fly.
That system, again, which makes virtue consist in prudence only, while it gives the highest encouragement to the habits of caution, vigilance, sobriety, and judicious moderation, seems to degrade equally both the amiable and respectable virtues, and to strip the former of all their beauty, and the latter of all their grandeur.
My idea of the modern Stoic sage is someone who transforms fear into prudence, pain into information, mistakes into initiation, and desire into undertaking.
Nassim Nicholas Taleb, Antifragile: Things That Gain from Disorder (2012) Ch. 10. Seneca's Upside and Downside, p. 156.
It behooves a prudent person to make trial of everything before arms.
The last explanation remains to be made about prudence; Little and large alike drop quietly aside from the prudence that suits immortality.
Walt Whitman, Leaves of Grass, "Manhattan Streets I Saunter'd, Pondering"; originally published as "Poem of the Last Explanation of Prudence" (1856).
Thin-lipped wisdom spoke at her from the worn chair, hinted at prudence, quoted from that book of cowardice whose author apes the name of common sense.
Oscar Wilde, Lord Henry, The Picture of Dorian Gray, ch. 5, p. 57
John Dryden, Fables, The Cock and the Fox, line 20.
* * * Therefore I am wel pleased to take any coulor to defend your honour and hope you wyl remember that who seaketh two strings to one bowe, he may shute strong but neuer strait.
So that every man lawfully ordained must bring a bow which hath two strings, a title of present right and another to provide for future possibility or chance.
Richard Hooker, Laws of Ecclesiastical Polity, Book V, Chapter LXXX. No. 9.
Fænum habet in cornu, longe fuge.
He is a dangerous fellow, keep clear of him. (That is: he has hay on his horns, showing he is dangerous.)
In ancient times all things were cheape, 'Tis good to looke before thou leape, When corne is ripe 'tis time to reape.
Martyn Parker, The Roxburghe Ballads, An Excellent New Medley.
Cito rumpes arcum, semper si tensum habueris.
You will soon break the bow if you keep it always stretched.
Phaedrus, Fab, Book III. 14. 10. Syrus—Maxims. 388.
Cum grano salis.
With a grain of salt.
Pliny the Elder, Natural History, XXIII. 8. 77. Giving the story of Pompey, who when he took the palace of Mithridates, found hidden the antidote against poison, "to be taken fasting, addite salis grano".
Ne clochez pas devant les boyteux. (Old French.) Do not limp before the lame.
Love all, trust a few, Do wrong to none: be able for thine enemy Rather in power than use, and keep thy friend Under thy own life's key: be check'd for silence, But never tax'd for speech.
In my school days, when I had lost one shaft, I shot his fellow of the self-same flight The self-same way with more advised watch, To find the other forth, and by adventuring both I oft found both.