Carl Sagan Quotes About Exploring

Quotes about: Exploring

• By exploring other worlds we safeguard this one. By itself, I think this fact more than justifies the money our species has spent in sending ships to other worlds. It is our fate to live during one of the most perilous and, at the same time, one of the most hopeful chapters in human history.

  Carl Sagan

  Fate, Thinking, Other Worlds

  "Cosmos: A Personal Voyage". Documentary (1990 Update). Episode 13: "Who Speaks for Earth?", 1990.

• In more than one respect, the exploring of the Solar System and homesteading other worlds constitutes the beginning, much more than the end, of history.

  Carl Sagan

  Other Worlds, Ends, Solar System

  Carl Sagan, Ann Druyan (2011). “Pale Blue Dot: A Vision of the Human Future in Space”, p.344, Ballantine Books

• If we could travel into the past, it's mind-boggling what would be possible. For one thing, history would become an experimental science, which it certainly isn't today. The possible insights into our own past and nature and origins would be dazzling. For another, we would be facing the deep paradoxes of interfering with the scheme of causality that has led to our own time and ourselves. I have no idea whether it's possible, but it's certainly worth exploring.

  Carl Sagan

  Past, Ideas, Mind

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