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Astrophysicist Inspirational Quotes (1621)

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When your reasons for believing something are justified ad hoc, you are left susceptible to further discoveries undermining the rationale for that belief.
Neil deGrasse Tyson
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There is never only ONE of anything in nature.
Carl Sagan
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Photons are accurately and legitimately described as waves and particles at the same time. They are genuine wavicles.
Neil deGrasse Tyson
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Extraordinary claims demand extraordinary evidence
Carl Sagan
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Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire into the equations and makes a universe for them to describe?
Stephen Hawking
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We live in a highly polarized society. We need to try to understand each other in respectful ways. To that end, I believe that we should make room for both spiritual atheists and thinking believers.
Alan Lightman
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We are made of stellar ash. Our origin and evolution have been tied to distant cosmic events. The exploration of the cosmos is a voyage of self-discovery.
Carl Sagan
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I'd rather enjoy the money, and then be buried, offering my body back to the flora and fauna of which I have dined my whole life.
Neil deGrasse Tyson
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If we are not able to ask skeptical questions, to interrogate those who tell us that something is true, to be skeptical of those in authority, then, we are up for grabs for the next charlatan (political or religious) who comes rambling along.
Carl Sagan
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A picture is worth a thousand words...and uses up a thousand times the memory.
Stephen Hawking
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You mustn't think of the Universe as a wilderness. It hasn't been that for billions of years, he said. Think of it more as... ..cultivated.
Carl Sagan
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I re-read a lot of books that I like a lot. There are some books that I try to reread every couple of years. A good book changes for you every few years because you are in a different place in your own life.
Alan Lightman
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Theology is unnecessary.
Stephen Hawking
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When it comes to privacy and accountability, people always demand the former for themselves and the latter for everyone else.
David Brin
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The world, I think, has too many late-night talk shows.
Neil deGrasse Tyson
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I don't think the human race will survive the next thousand years, unless we spread into space.
Stephen Hawking
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The ultimate arbiter of truth is experiment, not the comfort one derives from one's a priori beliefs, nor the beauty or elegance one ascribes to one's theoretical models.
Lawrence M. Krauss
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We often do not see what we do not expect to see.
Alan Lightman
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Space exploration is a force of nature unto itself that no other force in society can rival.
Neil deGrasse Tyson
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Arguments from authority carry little weight – authorities have made mistakes in the past. They will do so again in the future. Perhaps a better way to say it is that in science there are no authorities at most, there are experts.
Carl Sagan
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Crucial to science education is hands-on involvement: showing, not just telling real experiments and field trips and not just virtual reality.
Martin Rees
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I'm humbled and enormously grateful to be connected to [Franz] Kafka in a any way. He is one of the writers I admire. I think he has been a big influence on me. I appreciate the idea of the individual person battling the society - which is true in all his books.
Alan Lightman
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The vast distances that separate the stars are providential. Beings and worlds are quarantined from one another. The quarantine is lifted only for those with sufficient self-knowledge and judgment to have safely traveled from star to star.
Carl Sagan
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We are made of star-stuff. Our bodies are made of star-stuff. There are pieces of star within us all.
Carl Sagan
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