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.
Viswanathan AnandIn chess, knowledge is a very transient thing. It changes so fast that even a single mouse-slip sometimes changes the evaluation.
Viswanathan Anand