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

There's plenty of intelligence in the world, but the courage to do things differently is in short supply.

Almost all of the finer things in life are free or nearly free. You don't have to pay for the sky at night or snow in the morning or a kiss on the nose when you're sick. Forgetting that may put you at the mercy of those who seek to profit by convincing you to want whatever it is they have to sell.

Multi-tasking arises out of distraction itself.

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

The difference between talking on your cell phone while driving and speaking with a passenger is huge. The person on the other end of the cell phone is chattering away, oblivious.

When you're in a good mood, bring up the past. When you're in a bad mood, stick to the present. And when you're not feeling emotional at all, it's time to talk about the future.