As thy days, so shall thy strength be.

I don't care two hoots about civilization. I want to wander in the wild.

We are unique. Chimpanzees are unique. Dogs are unique. But we humans are just not as different as we used to think.

A sense of calm came over me. More and more often I found myself thinking, "This is where I belong. This is what I came into this world to do.

We learn the social norms of our society and modify our behaviour accordingly.

War had always seemed to me to be a purely human behavior. Accounts of warlike behavior date back to the very first written records of human history; it seemed to be an almost universal characteristic of human groups.

Animals were my passion from even before I could speak apparently. When I was about 10, 11 I fell in love with Tarzan.