I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish.

Sustainability isn’t an option; it’s a responsibility we owe to future generations.

"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all."