When I was a medical student in the 1950s, we practically never spoke about Alzheimer's disease. And why is that so? And that is because people didn't live long enough to have Alzheimer's disease.

Truth has many dimensions, and the way you arrive at truth in complex situations is through many perspectives.

Memory is everything. Without it we are nothing.

The brain is a complex biological organ of great computational capability that constructs our sensory experiences, regulates our thoughts and emotions, and control our actions.

As you know, in most areas of science, there are long periods of beginning before we really make progress.

I don't think biology is replacing the feeling experienced through art. Biology is capable of giving additional insights. It's a parallel, not a substitutive process.

Life is sort of a circle. You come back to a lot of the interests that you had early in life.

I see psychoanalysis, art and biology ultimately coming together, just like cognitive psychology and neuroscience have merged.

It is this potential for plasticity of the relatively stereotyped units of the nervous system that endows each of us with our individuality.

In art, as in science, reductionism does not trivialize our perception - of color, light, and perspective - but allows us to see each of these components in a new way.

Not only Freud but artists and writers were also interested in the unconscious. It was medicine that made the first steps toward modernity.

I'm strong because I know my weaknesses. I'm wise because I've been foolish. I laugh because I've known sadness.

"The horror of that moment " the King went on "I shall never forget." "You will though " the Queen said "if you don't make a memorandum of it."

I think of religion as something that stains the person. It's a mindset you can never get free from, it's always in the back of your head.

I have two speeds. Fast and faster. I don't just run. I take it.

The plant is blind but it knows enough to keep pushing upwards towards the light, and it will continue to do this in the face of endless discouragements.

I guess that seeing yourself on a screen is something that you get used to. Let's face it, these days, there's really nothing that you do that doesn't get filmed.

I should point out that I have a picture of Asbel Kiprop as the screensaver on my phone. Is that embarrassing?

Pakistan should be a moderate Islamic state. That it should be a prosperous country is in India's interests, and it is in the world's interests.

I try not to think in terms of good and bad but more in terms of helpful or unhelpful in regards to specific moral codes and goals.

What is toleration? It is the prerogative of humanity. We are all steeped in weaknesses and errors: Let us forgive one another's follies, it is the first law of nature.