Author: Donald Johanson

Quotes

Evolution is a fact. It is the best explanation of what is known from observations. It's a theory as powerful as the theory of gravity.

Evolution is a fact. It is the best explanation of what is known from observations. It's a theory as powerful as the theory of gravity.

- Donald Johanson

I think that many of my ideas are correct, but I'll bet you, before my death other discoveries will be made that will prompt me to alter various ideas I have about human evolution.

I think that many of my ideas are correct, but I'll bet you, before my death other discoveries will be made that will prompt me to alter various ideas I have about human evolution.

- Donald Johanson

I realized immediately that this was a terribly important discovery, but I didn't realize how important it would be until we had spent a lot of time in the laboratory studying it.

I realized immediately that this was a terribly important discovery, but I didn't realize how important it would be until we had spent a lot of time in the laboratory studying it.

- Donald Johanson

One has to take initiative in life to achieve what he or she wants.

One has to take initiative in life to achieve what he or she wants.

- Donald Johanson

All mammals undergo a certain degree of diversification. Darwin knew that. When he drew a family tree, it had many branches on it.

All mammals undergo a certain degree of diversification. Darwin knew that. When he drew a family tree, it had many branches on it.

- Donald Johanson

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