Mainly because as women's education increases all around the planet, we find that family size tends to drop.

I think anything is better than war. The extent to which one can negotiate with fanatics, I have no idea. I don't know.

Here we are, arguably the most intelligent being that's ever walked planet Earth, with this extraordinary brain ... and yet we're destroying the only home we have.

If you work hard and be persistent, you will achieve whatever you want to do.

We can learn to suppress our feelings for other reasons.

I never wanted to give up. I thought I might have to. Especially at the beginning when chimpanzees had never seen a white person before.They gave one look at me and ran away! They were scared, but eventually I got their trust.

Each one of us matters, has a role to play, and makes a difference. Each one of us must take responsibility for our own lives, and above all, show respect and love for living things around us, especially each other.