The natural resources we've depended on, if the places where they exist are not stable, our own livelihood and our health is put at risk.

I think a human animal is far more wild and unpredictable and dangerous and destructive than any other animal.

Today, I’m a conservationist because I believe that my species doesn’t have the right or option to determine the fate of other species, even ones that inspire fear in us.

We know that when push comes to shove, [we can] drive ourselves to save our planet.

What drives me is that moment of discovery. I love the unknown.

I love people who have died trying to save wildlife. When I see that passion, that gives me hope.

I'm glad I'm inspiring somebody.

We live in a time where we have more extinction happening on our planet than since the dinosaurs were wiped out 50 million years ago.

I'm a biologist. At my core, I'm a naturalist.

Running is my addiction. It's always present. I'm constantly thinking about my next run.

I am really sobered by what's happening to ecosystems around our planet and to the wildlife that is to be found there.

Do not wait, there will never be a right time, start from where you stand.

He was never able to properly explain what happened to him that day. But he stopped being happy.

All these men who loved Emma, I think. For all her problems, men were fixated on her. Will anyone ever feel like that about me?

I was obsessed with clowns. My dad had to get rid of them. I thought there were clowns under my bed for years.

The religion of the future will be a cosmic religion. The religion which based on experience, which refuses dogmatic. If there's any religion that would cope the scientific needs it will be Buddhism.

I didn't know I was going to live for 50 years. It has come as a shock.

Strength comes from waiting.

Without courage we cannot practice any other virtue with consistency.

No one runs your life unless you let them. And you have more power than you think.

Some people really like to get into Twitter, but it's not my thing.