“True courage, in the face of almost certain death, is the rarest quality on earth.”
Source: Black Blood
Goldfish Bowl (p. 381)
Short fiction, Off the Main Sequence (2005)
“True courage, in the face of almost certain death, is the rarest quality on earth.”
Source: Black Blood
“The probability of death is quite high on the first [human] mission”
to Mars
"Elon Musk's Plan To Colonize Mars Gives Us The Sci-Fi Future We Crave: Now let's see if he can make it reality." https://www.popsci.com/elon-musks-master-plan-for-colonizing-mars-gives-us-sci-fi-future-we-crave Popular Science magazine. (September 27, 2016)
In Hoc Signo Vinces
1960, In Hoc Signo Vinces
Source: Counterrevolution and Revolt (1972), Chapter "Nature and Revolution," in The Essential Marcuse: Selected Writings of Philosopher and Social Critic Herbert Marcuse, edited by Andrew Feenberg and William Leiss, Beacon Press, 2007, pp. 240 https://books.google.it/books?id=JqoyBgAAQBAJ&pg=PA240-241
1940s, The Bomb and Civilization http://personal.kent.edu/~rmuhamma/Philosophy/RBwritings/bombCivilization.htm (1945)
“He lives to build, not boast, a generous race;
No tenth transmitter of a foolish face.”
The Bastard (1728), line 7, reported in Bartlett's Familiar Quotations, 10th ed. (1919).
Source: An Essay on The Principle of Population (First Edition 1798, unrevised), Chapter VII, paragraph 20, lines 2-4