And yet you were acknowledging a little while ago that knowledge is not the same as opinion?
— from The Republic of Plato by Plato

For knowledge is not the road to being, as some say, but being to knowledge, for being does not create but only exhibits things, as death is not the reducing of existence to non-existence, but rather the result of dissolution is obscurity.
— from Plutarch's Morals by Plutarch

But if there shall be obligations already incurred, so that kindness is not to begin with us, but to be requited, still greater diligence, it seems, is called for; for no duty is more imperative than that of proving one's gratitude.
— from De Officiis by Marcus Tullius Cicero

The Cherokee myth has a close parallel in the Iroquois story of the great mosquito, as published by the Tuscarora traditionist, Cusick, in 1825, and quoted by Schoolcraft, Indian Tribes, V , page 638: “About this time a great musqueto invaded the fort Onondaga; the musqueto was mischievous to the people, it flew about the fort with a long stinger, and sucked the blood of a number of lives; the warriors made several oppositions to expel the monster, but failed; the country was invaded until the Holder of the Heavens was pleased to visit the people; while he was visiting the king at the fort Onondaga, the musqueto made appearance as usual and flew about the fort, the Holder of the Heavens attacked the monster, it flew so rapidly that he could hardly keep in sight of it, but after a few days chase the monster began to fail, he chased on the borders of the great lakes towards the sun-setting, and round the great country, at last he overtook the monster and killed it near the salt lake Onondaga, and the blood became small musquetos.”
— from Myths of the Cherokee Extract from the Nineteenth Annual Report of the Bureau of American Ethnology by James Mooney

And again, to her feverish brain, came the vivid reality of acorns in February lying on the floor of a wood with their shells burst and discarded and the kernel issued naked to put itself forth.
— from The Rainbow by D. H. (David Herbert) Lawrence

Those held some interesting messages I'd downloaded from one online discussion group or another, some chat transcripts, things where people had helped me out with some of the knowledge I needed to do the things I did.
— from Little Brother by Cory Doctorow

The king immediately noticed the swallow's nest, and said with an amiable smile "Surely such a courageous bird is a worthy (154) guest for a king."
— from A Complete Grammar of Esperanto by Ivy Kellerman Reed

Then Hraśvaromá, good and great, Succeeded, and to him a pair Of sons his royal consort bare, Elder of these I boast to be: Brave Kuśadhwaj is next to me.
— from The Rámáyan of Válmíki, translated into English verse by Valmiki

The sceptic Arcesilaus, [151] who became a dogmatist.] 376 This sect derives more strength from its enemies than from its friends; for the weakness of man is far more evident in those who know it not than in those who know it.
— from Pascal's Pensées by Blaise Pascal

It is needful for him, at all rates, to know that outward profit, that success of any kind is not the goal he has to aim at.
— from On Heroes, Hero-Worship, and the Heroic in History by Thomas Carlyle

Must we not rather acknowledge, what is commonly said, that in matters of moral action mere Speculation and Knowledge is not the real End but rather Practice: and if so, then neither in respect of Virtue is Knowledge enough; we must further strive to have and exert it, and take whatever other means there are of becoming good.
— from The Ethics of Aristotle by Aristotle

Thy words Attentive, and with more delighted eare Divine instructer, I have heard, then when Cherubic Songs by night from neighbouring Hills Aereal Music send: nor knew I not To be both will and deed created free; Yet that we never shall forget to love Our maker, and obey him whose command Single,
— from Paradise Lost by John Milton

To suppose all men were born equal is to suppose that they are equally endowed with the same strength and with the same capacity of mind, which we know is not the case.
— from Mr. Midshipman Easy by Frederick Marryat

But a sorrowful thought swept it instantly away: he was only a king in name, these grave veterans and great nobles were his masters; to them his mother was only the creature of a diseased mind; they would simply listen to his project with unbelieving ears, then send for the doctor.
— from The Prince and the Pauper, Part 4. by Mark Twain

Isabel is it possible that you love him, how unfortunate that I should have chosen you for my confidant, but I didn't know, I never thought, or believe me I would not have pained you thus.
— from Isabel Leicester A Romance by Maude Alma by Maude Alma

"Well, Mr. Charles," Tim said, when he heard of the intention, "if you want to go tiger hunting, Tim Kelly is not the boy to stay behind.
— from With Clive in India; Or, The Beginnings of an Empire by G. A. (George Alfred) Henty

The Carews had gone abroad, and, although Kathleen knew it not, they had faded forever out of the life that they had done so much to wreck and ruin.
— from Kathleen's Diamonds; or, She Loved a Handsome Actor by Miller, Alex. McVeigh, Mrs.

Knowledge is not the grand specific either.
— from Graham's Magazine, Vol. XXXVI, No. 2, February 1850 by Various

“The palace of the khan,” said Kasam, “is near the center, beside the famous bubbling pools of Mekran.
— from Daughters of Destiny by L. Frank (Lyman Frank) Baum

"Do you know I never thought of Peter like that?" she said.
— from Sisters by Kathleen Thompson Norris