Date: 1859

"(For sure thy sire had not a heart of steel)"

— Skinner, Rev. John (1721-1807)

Date: November 24, 1859

"Although I am fully convinced of the truth of the views given in this volume under the form of an abstract, I by no means expect to convince experienced naturalists whose minds are stocked with a multitude of facts all viewed, during a long course of years, from a point of view directly opposite...

— Darwin, Charles (1809-1882)

Date: November 24, 1859

"A few naturalists, endowed with much flexibility of mind, and who have already begun to doubt on the immutability of species, may be influenced by this volume; but I look with confidence to the future, to young and rising naturalists, who will be able to view both sides of the question with impa...

— Darwin, Charles (1809-1882)

Date: August 6 and 20, 1859

"The jaded cart-horse of the commonplace bourgeois mind falters of course in confusion in front of the ditch separating substance from appearance, and cause from effect; but one should not ride carthorses if one intends to go coursing over the very rough ground of abstract reasoning."

— Engels, Friedrich (1820-1895)

Date: February 14, 1860

"But, in England, it is some subaltern spokesman, some worn-out place-hunter, some anonymous nonentity of a so-called Cabinet, that, relying on the donkey power of the Parliamentary mind and the bewildering evaporations of an anonymous press, without making any noise, without incurring any danger...

— Marx, Karl (1818-1883)

Date: 1862

"Intestine war no more our passions wage; / E'en giddy factions hear away their rage."

— Wesley, Samuel, the Younger (1691-1739)

Date: 1862

"When reason gets into the throne, / The court shall teach us to be godly."

— Wesley, Samuel, the Younger (1691-1739)

Date: 1862

"O may not gold, according to its kind, / Twist round your heart, and grow upon your mind!"

— Wesley, Samuel, the Younger (1691-1739)

Date: 1862

"Through all our proceedings let reason bear rule"

— Mather, Joseph (1737-1804)

Date: 1862

"Thy present ill with pictures of the past / Is oft beguiled; so fresh the colours last / In thy mind 's mirror pure, at will display'd"

— Strong, Charles (1785-1864)