It Is Never Too Late to Mend by Charles Reade
"I wonder at you giving away the claim that lay close to the gold; it is all very well to be generous, but you forget--Susan."
"Don't you be silly, George. The vein dips, and those that cut down on it where it is horizontalish will get a little; we, that nick it nearly verticalish, will get three times as much out of a ten-foot square claim."
"Well! you are a sharp fellow, to be sure; but, if it is so, why on earth did you make a favor to them of giving them the milk and taking the cream?"
"Policy, George! policy!"