Carl Sagan Quotes about Opportunity

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Be grateful everyday for the brief but magnificent opportunity that life provides.

Be grateful everyday for the brief but magnificent opportunity that life provides.

Carl Sagan

Grateful, Opportunity, Everyday

"In the Valley of the Shadow". Parade, March 10, 1996.

'In his celebrated book, 'On Liberty', the English philosopher John Stuart Mill argued that silencing an opinion is "a peculiar evil." If the opinion is right, we are robbed of the "opportunity of exchanging error for truth"; and if it's wrong, we are deprived of a deeper understanding of the truth in its "collision with error." If we know only our own side of the argument, we hardly know even that: it becomes stale, soon learned by rote, untested, a pallid and lifeless truth.'

Carl Sagan

Truth, Book, Opportunity

Carl Sagan (2011). “The Demon-Haunted World: Science as a Candle in the Dark”, p.550, Ballantine Books

While our behavior is still significantly controlled by our genetic inheritance, we have, through our brains, a much richer opportunity to blaze new behavioral and cultural pathways on short timescales.

Carl Sagan

Science, Opportunity, Brain

Carl Sagan (2012). “Dragons of Eden: Speculations on the Evolution of Human Intelligence”, p.3, Ballantine Books

Maybe it's a little early. Maybe the time is not quite yet. But those other worlds - promising untold opportunities - beckon. Silently, they orbit the Sun, waiting.

Carl Sagan

Opportunity, Other Worlds, Waiting

Carl Sagan (1994). “Pale Blue Dot: A Vision of the Human Future in Space”, Random House Incorporated