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

If your head tells you one thing, and your heart tells you another, before you do anything, you should first decide whether you have a better head or a better heart.

Be able to decline a date so gracefully that the person isn't embarrassed that he or she asked.

Know which officials are voted into office and which are appointed, and by whom.

Be able to recognize when you're reading or hearing material biased to your own side.

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

Know how to garnish food so that it is more appealing to the eye and even more flavorful than before.