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.

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

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.

In my heart, ever since I [was] a little kid, I've been an explorer.

I'm not afraid of death. Death's afraid of me.

If I had to write a book on morality, it would have a hundred pages and ninety-nine would be blank. On the last page I should write: "I recognize only one duty, and that is to love.

A high nutrient diet, if widely adopted, could bring millions of people in touch with true hunger, and stop the proliferation of obesity and preventable chronic disease.

One can't measure the life with its bitterness but with it's sweetness and sweetness is what one must find in Jesus Words

If preachers decide to preach about hope, let them preach out of what they themselves hope for.

But I was the most unashamed lone parent you were ever going to meet.

Often it is just lack of imagination that keeps a man from suffering very much.

Sometimes people do things that hurt and it's not because they mean to. They just do. It doesn't necessarily have anything to do with you, but you end up hurt because of it.

What good is it to have a belly if there's no fire in it? Wake up, drink your passion, light a match and get to work.