“Science works on the frontier between knowledge and ignorance. We're not afraid to admit what we don't know. There's no shame in that. The only shame is to pretend that we have all the answers.”
More from Ann Druyan
“There seems to be a mysterious force in the universe, one that overwhelms gravity on the…”
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“Why is Venus scorching hot? It's because…the flow of energy is blocked by a dense…”
“The essential message of life has been copied and recopied for more than 3 billion years.…”