For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring. Carl Sagan delusiongrasppersist Change image and share on social
Absence of evidence is not evidence of absence. Carl Sagan absenceevidence Change image and share on social
Extinction is the rule. Survival is the exception. Carl Sagan exceptionextinctionrule Change image and share on social
The universe is not required to be in perfect harmony with human ambition. Carl Sagan ambitionharmonyhuman Change image and share on social
All of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value. Carl Sagan americanbitbook Change image and share on social
Science is a way of thinking much more than it is a body of knowledge. Carl Sagan bodyknowledgescience Change image and share on social
Imagination will often carry us to worlds that never were. But without it we go nowhere. Carl Sagan carryimaginationworld Change image and share on social
Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense. Carl Sagan deepmeannonsense Change image and share on social
Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works. Carl Sagan awakebasiccitizenry Change image and share on social
We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces. Carl Sagan arrangeblowcombustible share on social
