It requires a great deal of boldness and a great deal of caution to make a great fortune, and when you have it, it requires ten times as much skill to keep it.
The value of a dollar is to buy just things; a dollar goes on increasing in value with all the genius and all the virtue of the world. A dollar in a university is worth more than a dollar in a jail; in a temperate, schooled, law-abiding community than in some sink of crime, where dice, knives, and arsenic are in constant play.
Money is a guarantee that we may have what we want in the future. Though we need nothing at the moment it insures the possibility of satisfying a new desire when it arises.
I never attempt to make money on the stock market. I buy on the assumption that they could close the market the next day and not reopen it for five years.