In my 45-year career as an investment counselor, humility did show me the need for worldwide diversification to reduce risk. That career did help me to become more and more humble because statistics showed that when I advised a client to buy one stock to replace another, about one-third of the time the client would have done better to ignore my advice. In other endeavors, humility about how little I know has encouraged me to listen more carefully and more wisely.

If you buy all the stocks selling at or below two times earnings, you will lose money on half of them because instead of making profits they will actually lose money, but you will only lose a dollar or so a share at most. Then others will be mediocre performers. But the remaining big winners will go up and produce fabulous results and also ensure a good overall result.

See the investment world as an ocean and buy where you get the most value for your money. Right now the value is in non-callable bonds. Most bonds are callable so when they start going up in price, the debtor calls them away from you. But the non-callable bonds, especially those non-callable for 25-30 years, can go way up in price if interest rates go way down.

The other boys at Yale came from wealthy families, and none of them were investing outside the United States, and I thought, 'That is very egotistical. Why be so shortsighted or near-sighted as to focus only on America? Shouldn't you be more open-minded?'

Tell your readers to use it or lose it. If you don't use your muscles, they get weak. If you don't use your mind it begins to fail.