Be a voice for the future and a voice for the planet.

If you want to know where you would have stood on slavery before the Civil War, don’t look at where you stand on slavery today. Look at where you stand on animal rights.

In the great scheme of things, what matters is not how long you live but why you live, what you stand for and what you are willing to die for.

It doesn't matter what is true, it only matters what people believe is true.

Intelligence is the ability of a species to live in harmony with its environment.

WE CAN NOT LIVE ON THIS PLANET WITH DEAD OCEANS. IF OUR OCEANS DIE, WE DIE.

A vegan riding a hummer contributes less to greenhouse gas emissions than a meat eater riding a bicycle.

What we need now is heroes - millions of them. Sentiment without action is the ruin of the soul.

Almost all theological thought is anthropocentric and I just cannot buy into the anthropocentric ideology. Basically we're a bunch of conceited apes.

Follow your dreams and use your natural born talents and skills to make this a better world for tomorrow.

That fact is that we live in an extremely violent culture, and we all justify violence if it's for what we believe in .

Smile, it is the key that fits the lock of everybody's heart.

I always said I never wanted to write about love, but then I went and did that anyway.

The Paris peace talks kept a roof over my head and food on the table and clothes on my back because if something was said going in or coming out, I had the rent for the month.

Once the options increase, settling on one becomes harder.

The greatest asset of any nation is the spirit of its people, and the greatest danger that can menace any nation is the breakdown of that spirit-the will to win and the courage to work.

I think humor and terror are very closely related.

People in general do not willingly read if they have anything else to amuse them.

At a time when unbridled greed, malignant aggression, and existence of weapons of mass destruction threatens the survival of humanity, we should seriously consider any avenue that offers some hope.

Dressing effectively is a kind of excellent manners.

I'm imperfect. There are things in time that will bother me, but I don't dwell on them. It's another thing to dwell on it your whole day and let it bother you.