Think of a hypothesis as a card. A theory is a house made of hypotheses.

[Adulthood:] It's when you stop doing the stuff you have to make excuses for and when you stop making excuses for the stuff you have to do.

Email, instant messaging, and cell phones give us fabulous communication ability, but because we live and work in our own little worlds, that communication is totally disorganized.

Be able to identify the most common breeds of dogs and cats on sight.

Know how to drive safely when it's raining or when it's snowing. The two conditions are different.

Be sure to expose yourself to criticism: A fine polish requires an abrasive.

Play more than one game at a time. This is a painless way to learn how to do many things at once.