Chris Hadfield
Nothing focuses your mind quite like flying a jet. That's one reason NASA requires that astronauts fly T-38s: it forces us to concentrate and prioritize in some of the same ways we need to in a rocket ship.
More quotes and aphorisms
True knowledge exists in knowing that you know nothing...I am a doctor — it's a profession that may be considered...Right now, I'd like to just continue on a series...Always remember that you are absolutely unique...Peace is not absence of conflict, it is the ability...Our defense is in the preservation of the spirit...
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