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One has to devote oneself to a particular pursuit. To be successful at anything, you have to make a total commitment to it.

Donald JohansonScientist · American · b. 1943
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  • Through perseverance many people win success out of what seemed destined to be certain failure. — Benjamin Disraeli
  • Scientists are very afraid of being proven wrong. — Donald Johanson
  • Normally, we are happy to find a fragment of jaw, a few isolated teeth, a bit of an arm, a bit of a skull. But to find associated body parts is extremely rare. — Donald Johanson
  • But what really excited me was the idea that humans had a tremendous pre-history that went back millions of years. I wanted to go to Africa to find some of these creatures. — Donald Johanson
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