“The size and age of the Cosmos are beyond ordinary human understanding.”
Source: Cosmos (1980), p. 4
Context: The size and age of the Cosmos are beyond ordinary human understanding. Lost somewhere between immensity and eternity is our tiny planetary home. In a cosmic perspective, most human concerns seem insignificant, even petty. And yet our species is young and curious and brave and shows much promise. In the last few millennia we have made the most astonishing and unexpected discoveries about the Cosmos and our place within it, explorations that are exhilarating to consider. They remind us that humans have evolved to wonder, that understanding is a joy, that knowledge is prerequisite to survival. I believe our future depends powerfully on how well we understand this Cosmos in which we float like a mote of dust in the morning sky.
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Carl Sagan 365
American astrophysicist, cosmologist, author and science ed… 1934–1996Related quotes

"The Darlings at the Top of the Stairs", Lanterns & Lances (1961); previously appeared in The Queen and in Harper's Magazine.
From Lanterns and Lances

"The Illusion of Rewards", p. 43
Awareness (1992)
Context: Do you know what eternal life is? You think it's everlasting life. But your own theologians will tell you that that is crazy, because everlasting is still within time. It is time perduring forever. Eternal means timeless — no time. The human mind cannot understand that. The human mind can understand time and can deny time. What is timeless is beyond our comprehension. Yet the mystics tell us that eternity is right now. How's that for good news? It is right now. People are so distressed when I tell them to forget their past. They're crazy! Just drop it! When you hear "Repent for your past," realize it's a great religious distraction from waking up. Wake up! That's what repent means. Not "weep for your sins.": Wake up! understand, stop all the crying. Understand! Wake up!

1990s, 3001: The Final Odyssey (1997), p. 87

“It is not size or age or childishness that separates children from adults. It is "responsibility."”
The Great Comic Book Heroes http://books.google.com/books?id=zxbuAAAAMAAJ&q=%22It+is+not+size+or+age+or+childishness+that+separates+children+from+adults+It+is+responsibility%22&pg=PA75#v=onepage (1965)

“Kinship among nations is not determined in such measurements as proximity of size and age.”
http://books.google.com/books?id=Dp94AAAAMAAJ&q="Kinship+among+nations+is+not+determined+in+such+measurements+as+proximity+size+and+age"Speech at Guildhall, London (12 June 1945) <!-- accessdate = 2012-06-07 -->
1940s
Context: Kinship among nations is not determined in such measurements as proximity of size and age. Rather we should turn to those inner things — call them what you will — I mean those intangibles that are the real treasures free men possess. To preserve his freedom of worship, his equality before law, his liberty to speak and act as he sees fit, subject only to provisions that he trespass not upon similar rights of others — a Londoner will fight. So will a citizen of Abilene. When we consider these things, then the valley of the Thames draws closer to the farms of Kansas and the plains of Texas.