A man's learning dies with him; even his virtues fade out of remembrance, but the dividends on the stocks he bequeaths to his children live and keep his memory green.
 Oliver Wendell Holmes Sr., The Professor at the Breakfast-Table (1860). copy citation

Context

“In old times, when men were all the time fighting and robbing each other,—in those tropical countries where the Sabeans and the Chaldeans stole all a man's cattle and camels, and there were frightful tornadoes and rains of fire from heaven, it was true enough that riches took wings to themselves not unfrequently in a very unexpected way. But, with common prudence in investments, it is not so now. In fact, there is nothing earthly that lasts so well, on the whole, as money. A man's learning dies with him; even his virtues fade out of remembrance, but the dividends on the stocks he bequeaths to his children live and keep his memory green. I do not think there is much courage or originality in giving utterance to truths that everybody knows, but which get overlaid by conventional trumpery. The only distinction which it is necessary to point out to feeble-minded folk is this:” source