Viswanathan Anand

I think an important lesson from the game is that once you have made a move, you cannot take it back. You really have to measure your decisions. You think a lot. You evaluate your choices very carefully. There's never any guarantee about what's going to follow once you have made a decision.

My parents were very supportive of my chess. When I got home after a game of chess, having missed school or something, they always made me feel very welcome; I didn't feel guilty at all about pursuing chess with such fervour. They never, for instance, perceived sports as a rival to academics.

Healthy children are born from healthy, respected, well-nourished and educated mothers and it is imperative that they have a voice in the decisions which affect them. If you empower a mother and let her have her say towards a poverty-free future, the positive impact this would have on ending hunger will be immense.

By irreducibly complex I mean a single system composed of several well-matched, interacting parts that contribute to the basic function, wherein the removal of any one of the parts causes the system to effectively cease functioning.