The most callous, stupid things were done just because regulations required them...It was not until 1983, for example, that U.S. federal agencies stated that substances known to be caustic irritants such as lye, ammonia, and oven cleaners, did not need to be tested on the eyes of conscious rabbits.

All the arguments to prove man's superiority cannot shatter this hard fact: in suffering, the animals are our equals.

As we realize that more and more things have global impact, I think we're going to get people increasingly wanting to get away from a purely national interest.

In my world of the people who study war and defense issues, we simply did not talk about robotics. We do not talk about it because it's seen as mere science fiction. It's cold, hard, metallic reality.

Nineteen thousand children [are] dying every day. Does it really matter that we're not walking past them in the street? Does it really matter that they're far away? I don't think it does make a morally relevant difference.

There is a growing movement called effective altruism. It's important because it combines both the heart and the head.

If we ever do find a better system, I'll be happy to call myself an anti-capitalist.