Commitment, belief and positive attitude are all important if you're going to be a success, whether you're in sports, in business or, as in my case, anthropology.

I find a tremendous receptivity among the public for the subject matter of, 'Where did we come from and how did we get here?' People are thirsty and hungry for information on our origins. I feel a responsibility as a major figure in the area... to convey to the public the knowledge of human origins in a way that is understandable to them.

It's very hard for all of us, when we've committed ourselves to a particular interpretation, to change our minds.

Donald Johanson Quotes