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About this quote

What does it mean?
Heinlein argues that human progress disproves past scientific limits and authority.
In plain terms
Nothing is impossible once someone does it.
What can you take from it?
Actions prove what is possible.

Where it applies

  • discussing innovation
  • motivating researchers
  • debating scientific limits

Putting it to work

  • try new things
  • ignore doubters
  • document progress

Questions to consider

  • Who gets to decide what is impossible?
  • What did experts say would never happen?

Another view

Some limitations are real and cannot be overcome easily.

More from Robert A. Heinlein

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  2. Free will is a golden thread running through the frozen matrix of fixed events.

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  3. Listen, son. Most women are damn fools and children. But they've got more range then we've got. The brave ones are braver, the good ones are better - and the v…

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