Good leadership consists of showing average people how to do the work of superior people.

The only question with wealth is, what do you do with it?

It is wrong to assume that men of immense wealth are always happy.

If your only goal is to become rich, you will never achieve it.

Well, first of all, we did lots of studies where we show practical intelligence doesn't correlate with G. We have probably two dozen studies that practical intelligence better predicts job success than IQ.

Sometimes I think the most difficult moments in life were actually good because they made me strong. I was a child labourer. From this, I learned to stand on my own feet. So I don't want to forget the difficulty of my life.

I don't take it very seriously. You shouldn't let your success get to your head or failure get to your heart. This is most commonly said. But people don't really practise it. I don't see myself as a celebrity; it has not sunk in. I just see myself as someone doing a nine-to-six job like a techie.

I say that, you know, it's a lifetime goal trying to teach organic chemistry, to make it easy, and I'm starting to wonder if I'm ever going to achieve it in my lifetime.