127

Classification of the Sci.
24

occasion may prompt a man furtively to pocket a roll of bills on another occasion may lead him to lavish expenditures, in the hope of ulterior gain. In so far he acts from calculation. But if you were to say to Russell Sage, "Here are you a man over eighty years of age with no family except your wife, possessed of far more wealth than you and she could ever possibly use, and yet you put yourself to extreme discomfort and even risk your life in order not to incur the insignificant loss that might result from your being absent a few days from your office. This is unreasonable," he would doubtless reply "I know it. But it is my passion. I was born so." This illustrates how at some point instinct invariably passes beyond the control of reason. The bank bills Russell Sage now deposits in his bank might just as well be so many cancelled postage-stamps as far as it can affect his real welfare. There have been persons who were seized with the desire