Indeed, the line between perceiving and hallucinating is not as crisp as we like to think. In a sense, when we look at the world, we are hallucinating all the time. One could almost regard perception as the act of choosing the one hallucination that best fits the incoming data.

Even today no computer can understand language as well as a three-year-old or see as well as a mouse.

Without ducking responsibility, what's wrong with medicine today is that it is predicated on providing treatment, not on reducing suffering. Not on solving problems.

The adage that fact is stranger than fiction seems to be especially true for the workings of the brain.

People think of art and science as being fundamentally opposed to each other, because art is about celebrating individual human creativity, and science is about discovering general principles, not about individual people. But in fact, the two have a lot in common, and the creative spirit is similar in both.

Even though its common knowledge these days, it never ceases to amaze me that all the richness of our mental life - all our feelings, our emotions, our thoughts, our ambitions, our love life, our religious sentiments and even what each of us regards us his own intimate private self - is simply the activity of these little specks of jelly in your head, in your brain. There is nothing else.

A culture without mythology is not really a civilisation.