When looking at the same sky, people in mature industries see clouds where people in immature industries see pie. - Peter Lynch

You have to keep your priorities straight, if you plan to do well in stocks.

This taught me not only that it’s difficult to predict markets, but also that small investors tend to be pessimistic and optimistic at precisely the wrong times, so it’s self-defeating to try to invest in good markets and get out of bad ones.

So while the smaller fast growers risk extinction, the larger fast growers risk a rapid devaluation when they begin to falter.