Know how and how much to tip people who expect gratuities, even in the case of poor service.

Be able to set a table so that you feel like you're dining, not just sitting and eating.

Be able to tell whether garments that look good on the hanger actually look good on you

...there are days when I feel I can do anything and days when I feel I can do nothing. But fortunately for those around me, neither sort occurs very often.

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

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

I love having ten times as much stuff to do as I can possibly find time to do. That way, I can pick the one-tenth that I want to do most. But if I only have enough to just occupy all my time, I'm stuck doing all of whatever stuff it happens to be.