Elliot, he has such passion for what it was we were doing that he instilled that passion in me. He was like, “Just go for it. Make it happen.” And I would give him some wild idea, and he’d say, “Go try it.” It was that next set of just knocking down the fear of failure. Just go try anything.

In 1972, by Farley Mowat, after I’d had a modest success: “Now you’re a target, and people will shoot at you.” Which is not about how to write, but about some of the consequences of having done so.

Plug it in, switch it on and read the bloody label.

I think some of the best advice I got as a young session musician — the first time I played on something — they came back and said, “Now just play me half of what you know. Okay, that was impressive, but that’s not what I need here.” So it’s really an exercise on what’s best going to serve the work in front of you, what’s the job that will do that the best.

There's only one thing where I… if I had the opportunity to live my life over again where I probably would make a change.…I think if I had shortened that period and had earlier begun to work on basic evolutionary theory on history of biology and particularly on the philosophy of biology, I could have achieved some things which now I will never be able to achieve because at age 93, one knows that one doesn't live forever.

Very often I had to fight for the recognition of my ideas, particularly since, in those earlier days, I wasn’t in any prominent position where people would listen to me.

Anyhow, I talked it over with my mother, and she said, “Well, if that’s what you want, go right ahead.” She was a wonderful woman. And so I did.

The interests of a person plays a considerable role. For instance, people who are born naturalists should choose different professions than people who have a spectacular mathematical talent. I think it depends on a person’s talent, what he should choose and what he should love. If you don’t love what you’re doing, you’re not going to do a good job.

Well, this has changed in the course of my life. In my early career, my development of the so-called new systematics was the thing I was very proud of, and at the species level everybody followed my idea. The latest thing I’m most proud of that has not yet been fully appreciated by the philosophers is my development of the philosophy of biology.

Birds are still very much my hobby