All our knowledge, both knowledge of things and knowledge of truths, rests upon acquaintance as its foundation.
— from The Problems of Philosophy by Bertrand Russell

1. Quoted from a letter of Krasinski, by Kallenbach, Adam Mickiewicz (Cracow, 1897), vol.
— from Pan Tadeusz Or, the Last Foray in Lithuania; a Story of Life Among Polish Gentlefolk in the Years 1811 and 1812 by Adam Mickiewicz

THEN after the departing of King Ban and of King Bors, King Arthur rode into Carlion.
— from Le Morte d'Arthur: Volume 1 by Malory, Thomas, Sir

"Champions".—Professed fighting men were often kept by kings and earls about their court as useful in feud and fray.
— from The Danish History, Books I-IX by Grammaticus Saxo

He was a Musulmān, Zamāna Beg of Kābul, best known for his arrest of Jahāngīr in 1628.
— from Annals and Antiquities of Rajasthan, v. 1 of 3 or the Central and Western Rajput States of India by James Tod

The Baron of Delvin continued to ravage MacCoghlan’s country, and one of the Nugents, who was foster-brother of Kildare, being killed, the newly restored Earl, who lost no time in showing that he meant to keep up the family traditions, exacted 340 cows as an eric .
— from Ireland under the Tudors, with a Succinct Account of the Earlier History. Vol. 1 (of 3) by Richard Bagwell

It may be regarded as a higher degree of knowledge when we not only know but know that we know.
— from Theaetetus by Plato

I am quite sure that it is not my duty to destroy my own peace, or deprive my little boy of friends or kindness, by keeping her at home."
— from Missy: A Novel by Miriam Coles Harris

When, by slow filmy unveilings, life grew clearer to Gibbie, and he not only knew, but knew that he knew, his thoughts always went back to that day in the meadow with Donal Grant as the beginning of his knowledge of beautiful things in the world of man.
— from Sir Gibbie by George MacDonald

If ye can’t speak words of kindness Better keep yer talker shut!
— from Poems by Clara A. Merrill

Old King Brady knew some things about the business which young Ed Butler did not know, and he was destined to learn still other things from a letter which the boy now delivered.
— from The Bradys' Chinese Clew; Or, The Secret Dens of Pell Street by Francis Worcester Doughty

He was John Brown, of North Elba, New York, of Kansas ("bleeding Kansas" it was called then, when slaveholders from Missouri and freedom-lovers under John Brown had turned it into a battlefield), and he was soon to be John Brown of Harper's Ferry, Virginia, first martyr in the cause of Freedom on Virginian soil.
— from Tom Strong, Lincoln's Scout A Story of the United States in the Times That Tried Men's Souls by Alfred Bishop Mason

Travels of Mungo Park. Parentage—Returns from India—Sent out by the African Association—Sails for Africa—Arrives at Pisania—Starts with a come eastward—Mumbo Jumbo—Arrives at Koojar—Reaches capital of Bondou—Welcomed at the capital of Kaarta by King Daisy—Seized at the town of Dalli by Moorish soldiers, and carried captive to Benowm—Barbarously treated by Ali—Taken to visit Ali’s wife Fatima—She compassionates him—Almost starved—Difficulty of obtaining water—His servants taken from him—Ali attacked by Daisy—Park again falls into Ali’s hands—Resolves to escape.
— from Great African Travellers: From Mungo Park to Livingstone and Stanley by William Henry Giles Kingston