The problem of the apes is not a shortage of money, it is a shortage of strategy. Let us devote our minds... the one thing we have more of than other apes... and let's secure their future.

To me it's a question of being able to look backward and give the present a root... To give meaning to where we are today, we need to look at where we have come from.

Paleoanthropology is not a science that ends with the discovery of a bone. One has to have the original to work with. It is a life-long task.

It occurred to me that if I did not handle the crash correctly, there would be no survivors.

For three million years we were hunter-gatherers, and it was through the evolutionary pressures of that way of life that a brain so adaptable and so creative eventually emerged. Today we stand with the brains of hunter-gatherers in our heads, looking out on a modern world made comfortable for some by the fruits of human inventiveness, and made miserable for others by the scandal of deprivation in the midst of plenty.

To have arrived on this earth as a product of a biological accident, only to depart through human arrogance, would be the ultimate irony.

It is virtually impossible to control Northern Kenya, which is populated chiefly by migrant nomads.