"Steve Irwin did wonderful conservation work but I was uncomfortable about some of his stunts. Even if animals aren't aware that you are not treating them with respect, the viewers are."

"In the old days... it was a basic, cardinal fact that producers didn't have opinions. When I was producing natural history programmes, I didn't use them as vehicles for my own opinion. They were factual programmes."

"I think a major element of jetlag is psychological. Nobody ever tells me what time it is at home."

"I'm not in politics."

"What though the field be lost? All is not lost; the unconquerable Will, And study of revenge, immortal hate, And courage never to submit or yield: And what else is not to be overcome?"

"The world in general doesn't know what to make of originality it is startled out of its comfortable habits of thought, and its first reaction is one of anger."

"To be angry is to revenge the faults of others on ourselves."

"I hate housework! You make the beds, you do the dishes and six months later you have to start all over again."