“Instant acceptance of an idea is as self-defeating as instant rejection.”
Source: They'd Rather Be Right (1954), p. 163.
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Mark Clifton 23
American writer 1906–1963Related quotes

America’s Empty Slogan: “See Something, Say Something” http://michellemalkin.com/2013/04/17/americas-empty-slogan-see-something-say-something/ (April 17, 2013)

“your life can change in an instant. that instant can last forever.”
Source: The Life Before Her Eyes
“In the eternal dream, eternity is the same as an instant. Maybe I will come back in an instant.”
En el sueño eterno, la eternidad es lo mismo que un instante. Quizá yo vuelva dentro de un instante.
Voces (1943)

As quoted in Russia and the Independent States (1993) by Daniel C. Diller, p. 446
1990s
Context: Liberty sets the mind free, fosters independence and unorthodox thinking and ideas. But it does not offer instant prosperity or happiness and wealth to everyone. This is something that politicians in particular must keep in mind.

Section 60
Reflections on the Human Condition (1973)
Context: One wonders whether a generation that demands instant satisfaction of all its needs and instant solution of the world's problems will produce anything of lasting value. Such a generation, even when equipped with the most modern technology, will be essentially primitive — it will stand in awe of nature, and submit to the tutelage of medicine men.
“Anyone could annihilate the infinite in an instant.”
Cualquiera podría aniquilar lo infinito en un instante.
Voces (1943)

“Great art is an instant arrested in eternity.”
The Pathos of Distance (1915), p. 120