As technology accumulates and people in more parts of the planet become interdependent, the hatred between them tends to decrease, for the simple reason that you can't kill someone and trade with him too.

I would argue that nothing gives life more purpose than the realization that every moment of consciousness is a precious and fragile gift.

Plants can't very well defend themselves by their behavior, so they resort to chemical warfare, and plants are saturated with toxins and irritants to deter creatures like us who want to eat them.

The theory that religion is a force for peace, often heard among the religious right and its allies today, does not fit the facts of history.

My politics were pretty anarchistic until 1969 when the Montreal police went on strike. Within hours, mayhem and rioting broke out and the Mounties had to be called in to restore order. It instilled in me that one's convictions can be subjected to empirical test.

I don't think aggression works like thirst or sleep. I think aggression is more elicited by particular situations. I think it can be mitigated.

Photography is a demanding action sport. The light can change so quickly. I often find myself sprinting so that I can catch the perfect light falling on a photogenic subject.