Avoid using cigarettes, alcohol, and drugs as alternatives to being an interesting person.

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

Be able to meet any deadline, even if your work is done less well than it would be if you had all the time you would have preferred.

Common sense comes from experience, and kids need to fail as well as succeed in order to learn it. It's difficult to develop common sense when you spend a lot of time in your room where nothing much happens.

The length of your education is less important than its breadth, and the length of your life is less important than its depth.

Be able to blow out a dinner candle without sending wax flying across the table.

Suppose you're on a game show, and you're given the choice of three doors. Behind one door is a car, the others, goats. You pick a door, say #1, and the host, who knows what's behind the doors, opens another door, say #3, which has a goat. He says to you: 'Do you want to pick door #2?' Is it to your advantage to switch your choice of doors?