If you're wondering if you're dreaming, you're dreaming.

Experts say you can't concentrate on more than one task at a time.

People who work crossword puzzles know that if they stop making progress, they should put the puzzle down for a while.

The magnitude of an action may change not only the strength of its impact, but the direction. If you became a dentist, for example, you would certainly be an asset to our society. But what if everyone became a dentist? Who would bake the bread? Who would build the houses?

Stop asking for directions so much. Assuming that you're in a safe environment, pay attention and figure things out for yourself. Have the nerve to take a wrong turn now and then. You'll develop better working instincts and have more self-esteem too.

The chess player who develops the ability to play two dozen boards at a time will benefit from learning to compress his or her analysis into less time.

Being defeated is often a temporary condition. Giving up is what makes it permanent.