We spend a lot of our lives on automatic pilot. We act out of habit, without thinking about what we're doing.

That's not always a bad thing. If we had to think our way through everything we did, we couldn't get most of it done.

Suppose you're driving to work and another car abruptly cuts in front of you. You don't have time to think ...

Life is like a game of chess.

I was going to say "life is like a box of chocolates," but apparently someone else has used that already.

In high school and college, I played a lot of chess. A chess game can end in two ways:

• One player wins and the other ...