“Anyone who fights for the future, lives in it today.”
The Romantic Manifesto (1969)
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Ayn Rand 322
Russian-American novelist and philosopher 1905–1982Related quotes

Variant: He who would live must fight. He who doesn't wish to fight in this world, where permanent struggle is the law of life, has not the right to exist.
Source: Mein Kampf

Speech at Founding Rally of the Organization of Afro-American Unity (28 June 1964), as quoted in By Any Means Necessary (1970)
By any means necessary: speeches, interviews, and a letter (1970)
Variant: The future belongs to those who prepare for it today.
Source: Malcolm X, Black Liberation, and the Road to Workers' Power
Context: Education is an important element in the struggle for human rights. It is the means to help our children and our people rediscover their identity and thereby increase their self respect. Education is our passport to the future, for tomorrow belongs only to the people who prepare for it today.

On Coalition Government (1945)

The Art of Poetry on a New Plan (1761), vol. ii. p. 147.
The saying "he who fights and runs away may live to fight another day" dates at least as far back as Menander (ca. 341–290 B.C.), Gnomai Monostichoi, aphorism #45: ἀνήρ ὁ ϕɛύγων καὶ ράλίν μαχήɛṯαί (a man who flees will fight again). The Attic Nights (book 17, ch. 21) of Aulus Gellius (ca. 125–180 A.D.) indicates it was already widespread in the second century: "...the orator Demosthenes sought safety in flight from the battlefield, and when he was bitterly taunted with his flight, he jestingly replied in the well-known verse: The man who runs away will fight again".

Upon awarding the Texas Legislative Medal of Honor posthumously to Audie Murphy, the most highly decorated American soldier of World War II. (29 October 2013)
2013

“Is he dangerous?
“Anyone who lies for a living is dangerous.”
Source: Chasm City (2001), Chapter 29 (p. 485).