“Aristotle may be regarded as the cultural barometer of Western history. Whenever his influence dominated the scene, it paved the way for one of history's brilliant eras; whenever it fell, so did mankind.”
The Voice of Reason (1989)
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Ayn Rand 322
Russian-American novelist and philosopher 1905–1982Related quotes
In an interview to Независимая Газета http://www.peoples.ru/art/literature/prose/roman/alexander_zinoviev/

Source: Zuleika Dobson http://www.gutenberg.org/dirs/etext99/zdbsn11.txt (1911), Ch. VII
"All Right, Jerry, Drop the Cookbook" (p.47)
So This Is Depravity (1980)

The Cosmic Game - Explorations of the Frontiers of Human Consciousness (1997), ISBN 0-7914-3876-7, p. 254.
“No one is so brilliant that he can afford to neglect what history can teach him.”
Essay on Atomism: From Democritus to 1960 (1961), p.11

1990s, The End of History and the Last Man (1992)

Apology to Residential School victims, Parliament, June, 2008.: On Canada
2008
Source: They'd Rather Be Right (1954), p. 92.