Some Humans Are Mathematicians-others Aren't.

The Most Important Thing Is To Actually Think About What You Do. To Become Aware And Actually Think About The Effect Of What You Do On The Environment And On Society. That's Key, And That Underlies Everything Else.

We Could Change The World Tomorrow If All The Millions Of People Around The World Acted The Way They Believe.

You Can't Do Everything. You Can't Do Health And Forestry And Agriculture. You've Got To Focus And Do One Or The Other.

There Would Be Very Little Point In My Exhausting Myself And Other Conservationists Themselves In Trying To Protect Animals And Habitats If We Weren't At The Same Time Raising Young People To Be Better Stewards.

When I Began In 1960, Individuality Wasn't An Accepted Thing To Look For; It Was About Species-specific Behaviour. But Animal Behaviour Is Not Hard Science. There's Room For Intuition.