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.

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.

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.

Lofty questions about the mind are fascinating to ask, philosophers have been asking them for three millennia both in India where I am from and here in the West - but it is only in the brain that we can eventually hope to find the answers.

Here is this three-pound mass of jelly you can hold in the palm of your hand, and it can contemplate the vastness of interstellar space. It can contemplate the meaning of infinity and it can contemplate itself contemplating on the meaning of infinity.

The brain abhors discrepancies.

In fact, on one occasion, a rather pedantic experimental psychologist was telling him about a long, complicated experiment he had done, incorporating all the proper controls and using considerable technical virtuosity. When he saw Crick's exasperated expression he said, "but Dr. Crick, we have got it right - we know it's right," Crick's response was, "The point is not whether it's right. The point is: does it even matter whether its right or wrong?"