Many receive much more than that, but it is a fair average. Now, then, how much money must be put at interest at six per cent. That's it, exactly. The calculation is a fair one, and you can cipher it out for yourself. Think of it the next time you are tempted to ask to stay at home because it rains, or because it is pleasant and you want to go fishing, or, in short, because you would rather do something else than study.
Wisdom is better than much fine gold.