Neil deGrasse Tyson Quotes
Passion is what gets you through the hardest times that might otherwise make strong men weak, or make you give up.
Citations
Tyson, Neil deGrasse. The Sky Is Not the Limit: Adventures of an Urban Astrophysicist. Prometheus Books, 2004.
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Neil deGrasse Tyson is an American astrophysicist, planetary scientist, author, and science communicator.