We have to rethink our whole energy approach, which is hard to do because we're so dependent on oil, not just for fuel but also plastic. If plastic vanished, there would be total chaos. We have to think quite carefully about using oil, and its derivatives, because it's not going to be around forever.

If you knew what was going to happen, if you knew everything that was going to happen next—if you knew in advance the consequences of your own actions—you'd be doomed. You'd be ruined as God. You'd be a stone. You'd never eat or drink or laugh or get out of bed in the morning. You'd never love anyone, ever again. You'd never dare to.

Each form has its pluses and its minuses.

We're facing growing climate change, more floods, more droughts, more crisis on a planetary level, and the systems we put in place in the twentieth century are just not going to work. We've run out of stuff. Our big problems are going to be energy supplies and food supplies. This is not a right-left issue.

Nobody quite knows the truth about cats purring, but it does seem to be also a self-healing thing for them, which is why, when you take your cat to the vet and it's frightened, it will purr.

What is the real breath of a man — the breathing out or the breathing in?

Every aspect of human technology has a dark side, including the bow and arrow.