1990s
Source: Foreword for Discovering the Brain (1992) by Sandra Ackerman, p. iii; often paraphrased: "The brain is the most complex thing we have yet discovered in our universe."
“And you are made of a hundred trillion cells. We are, each of us, a multitude.”
Source: Cosmos
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Carl Sagan 365
American astrophysicist, cosmologist, author and science ed… 1934–1996Related quotes
The Richard Dimbleby Lecture: Science, Delusion and the Appetite for Wonder (1996)
The Richard Dimbleby Lecture: Science, Delusion and the Appetite for Wonder (1996)
"Communication with Alien Intelligence" http://web.media.mit.edu/~minsky/papers/AlienIntelligence.html, in Extraterrestrials: Science and Alien Intelligence (1985) edited by Edward Regis <!-- Cambridge University Press --> also published in Byte Magazine (April 1985)
Context: Speed is what distinguishes intelligence. No bird discovers how to fly: evolution used a trillion bird-years to 'discover' that – where merely hundreds of person-years sufficed.
The Diary of Anaïs Nin Vol. 4 (1971); as quoted in Journal of Phenomenological Psychology Vol. 15 (1984)
Diary entries (1914 - 1974)
Context: We do not grow absolutely, chronologically. We grow sometimes in one dimension, and not in another, unevenly. We grow partially. We are relative. We are mature in one realm, childish in another. The past, present, and future mingle and pull us backward, forward, or fix us in the present. We are made of layers, cells, constellations.
The Problem with God: The Tale of a Twisted Confession
The God Problem: How a Godless Cosmos Creates (2012)