There are 100 billion neurons in the adult human brain, and each neuron makes something like 1,000 to 10,000 contacts with other neurons in the brain. Based on this, people have calculated that the number of permutations and combinations of brain activity exceeds the number of elementary particles in the universe.

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.

A genius is somebody who seemingly just reaches out of nowhere.

Our ability to perceive the world around us seems so effortless that we tend to take it for granted.

Any ape can reach for a banana, but only humans can reach for the stars.

Great art allows you to transcend your mortal frame and to reach for the stars. I think great science does the same thing.

The boundary between neurology and psychiatry is becoming increasingly blurred, and its only a matter of time before psychiatry becomes just another branch of neurology.