Curiosity illuminates the correct path to anything in life. If you're not curious, that's when your brain is starting to die.

One of the first things we teach medical students is to listen to the patient by taking a careful medical history. Ninety percent of the time, you can arrive at an uncannily accurate diagnosis by paying close attention, using physical examination and sophisticated lab test to confirm your hunch (and to increase the bill to the insurance company).

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.

In the fetus, or a really young child, all the different brain areas are connected to each other, diffusely. And as the brain develops, the excess connections are turned off, so you get very specialized areas. So most people have really specialized talents. What happens in creative people is this pooling doesn't take place.

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

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

Think about what artists, novelists and poets have in common: the ability to engage in metaphorical thinking, linking seemingly unrelated ideas, such as, 'It is the east, and Juliet is the Sun.'