At the Mind's Limits: Contemplations by a Survivor on Auschwitz and Its Realities (1966)
“One must care about a world one will not see.”
Bertrand Russell (1872–1970) logician, one of the first analytic philosophers and political activist
Attributed to Russell in The Wordsworth Dictionary of Quotations (1997), p. 450, and in Robertson's Dictionary of Quotations (1998), p. 362, but no specific source is given.
Disputed
“One must speak about serious things seriously.”
Anton Chekhov (1860–1904) Russian dramatist, author and physician
Letter to A.N. Pleshcheev (September 9, 1888)
Letters
Willa Cather (1873–1947) American writer and novelist
"A Chance Meeting"; first published in The Atlantic Monthly (1933)
Not Under Forty (1936)
“He who fight monsters must take care that he doesn't become one himself.”
Anthony Horowitz book Scorpia Rising
Variant: A German philosopher once wrote that he who fights monsters must take care that he doesn't become one himself.
Source: Scorpia Rising
“It takes two to speak the truth, — one to speak, and another to hear.”
Henry David Thoreau (1817–1862) 1817-1862 American poet, essayist, naturalist, and abolitionist
A Week on the Concord and Merrimack Rivers http://www.gutenberg.org/dirs/etext03/7cncd10.txt (1849), Wednesday
Alain Badiou (1937) French writer and philosopher
Original French: Il est donc tout simplement faux que ce dont on ne peut parler (au sens ou il n'y a rien à en dire qui le spécifie, qui lui accorde des propriétés séparatrices), il faille le taire. Il faut au contraire le nommer...
From Manifesto for Philosophy. Albany: State University of New York Press, 1999. ISBN 0791442209.
The quote is a commentary on Ludwig Wittgenstein, "Whereof one cannot speak, thereof one must be silent".
“One has to be careful what one takes when one goes away forever.”
Leonora Carrington (1917–2011) Mexican artist, surrealist painter and novelist
Source: The Hearing Trumpet
