"[How to think about a problem:] The first step is to make the problem specific . . . ; The second step is to form theories freely of how to rid yourself of that burden . . . ; The third step is to develop in foresight the consequences of your proposals . . . ; The fourth and final step in thinking is to compare the consequences of your proposals to see which is best in the light of your scheme of life as a whole . . . ; Whether you choose a vacation or a spouse, a party or a candidate, a cause to contribute to or a creed to live by - think!"