I am obstinate and I will not give in.

We could change the world tomorrow if all the millions of people around the world acted the way they believe.

Some people actually do not like animals - hard for me to understand, but true.

You aren't going to save the world on your own. But you might inspire a generation of kids to save it for all of us. You would be amazed at what inspired children can do.

I still think we are smart enough to not destroy planet Earth, our only home.

What makes us human, I think, is an ability to ask questions, a consequence of our sophisticated spoken language.

Science demands objective factual evidence - proof; spiritual experience is subjective and leads to faith.