Chimps are very quick to have a sudden fight or aggressive episode, but they're equally as good at reconciliation.

Especially now when views are becoming more polarized, we must work to understand each other across political, religious and national boundaries.

I got to Africa. I got the opportunity to go and learn, not about any animal, but chimpanzees. I was living in my dream world, the forest in Gombe National Park in Tanzania. It was Tanganyika when I began.

every individual can make a difference ... if we continue to leave decision making to the so-called decision makers, things will never change.

When you borrow you plan to pay back. We're stealing from our children - so many people have no intention of paying back.

I believe that the tragedy [like terror attack] that's caused so much grief and suffering to so many thousands and thousands of people has also served as a call to action, because many people now are re-examining their own value systems, and the churches, temples, mosques and cathedrals are packed to overflowing for the first time in years.

If harsher laws are put in place, less will dare to break them.