“It’s always been a great survival value for people to believe they belong to a superior tribe. That’s just in human relationships.”

I tend to believe that religious dogma is a consequence of evolution.

By any reasonable measure of achievement, the faith of the Enlightenment thinkers in science was justified.

We should preserve every scrap of biodiversity as priceless while we learn to use it and come to understand what it means to humanity.

There doesn’t seem to be any other way of creating the next green revolution without GMOs.

An individual ant, even though it has a brain about a millionth of a size of a human being’s, can learn a maze; the kind we use is a simple rat maze in a laboratory. They can learn it about one-half as fast as a rat.

Science for its part will test relentlessly every assumption about the human condition.

True character arises from a deeper well than religion.

This is the folly our descendants are least likely to forgive us.

People need a sacred narrative. They must have a sense of larger purpose, in one form or another, however intellectualized. They will find a way to keep ancestral spirits alive.

If insects were to vanish, the environment would collapse into chaos.

When you have seen one ant, one bird, one tree, you have not seen them all.

Our brain is mapping the world. Often that map is distorted, but it’s a map with constant immediate sensory input.

If those committed to the quest fail, they will be forgiven. When lost, they will find another way.

In some ways, I had a traditional ‘old South’ upbringing, meaning that I spent some time in a military school, and acquired an

Perhaps the time has come to cease calling it the ‘environmentalist’ view, as though it were a lobbying effort outside the mainstream of human activity, and to start calling it the real-world view.

The two major challenges for the 21st century are to improve the economic situation of the majority and save as much of the planet as we can.

If anything could have pulled me out of retirement, it would have been an Indiana Jones film.

Having been an actor and a writer for so long – 20 years or so – I felt that it would be daft to go to one’s grave without having directed. It’s a natural extension of writing and acting, and so I knew it would happen one day.

If America had been discovered as many times as I have, no one would remember Columbus.

I’ve been known to preach.

I’ve been a lot of other things over the years, which we don’t really want to talk about.

Noble ideas, great sentiments have always existed and have always been transmitted, but wars have never ceased.

Is there any more encouraging sign than to see an Indian, who has never been to a university, like our friend Mr. Asutosh Dey here, for example, carrying out original work and finding it recognized by the foremost societies of the world?

My life has been full of terrible misfortunes most of which never happened.