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: 1867

"As the hart pants after fresh water, so pants his soul after money, the only wealth."

— Marx, Karl (1818-1883)

Date: 1867

"As capitalist, he is only capital personified. His soul is the soul of capital."

— Marx, Karl (1818-1883)

Date: 1869

"His mind resembled chiefly the rugged and outstanding mountain, and yet it had characteristics which reminded you likewise of the gentle stream, flowing sweetly through the valley below."

— Sprague, William Buell (1795-1876)

Date: 1869

"But, in that case, all that has been done in the modern world to relax the chain on the minds of women, has been a mistake."

— Mill, John Stuart (1806–1873)

Date: October 10, 1869

"Recitations alone readily degenerate into dusty repetitions, and lectures alone are too often a useless expenditure of force. The lecturer pumps laboriously into sieves. The water may be wholesome, but it runs through."

— Eliot, Charles William (1834-1926)

Date: 1871

"[T]he mynd of man first of hyt selfe ys a clene and pure tabul where ys no thyng payntyd or carvyd, but of hyt selfe apt & indyfferent to receyve al maner of pycturys, and image."

— Starkey, Thomas (c. 1495-1538)

Date: November 18, 1871

"Does he see, in his mind's eye, (if at this moment Tubby has an eye open in his mind), a rustic porch, early morning, a Janie coming home with a fresh-killed duckling for breakfast, while he puts his nose over the top of the snow-white window-blind, upstairs, and says, 'I'll be down dir...

— Anonymous

Date: 1871

"The police-tinged bourgeois mind naturally figures to itself the International Working Men's Association as acting in the manner of a secret conspiracy, its central body ordering, from time to time, explosions in different countries."

— Marx, Karl (1818-1883)