The addiction to sports, therefore, in a peculiar degree marks an arrested development in man's moral nature

Born in iniquity and conceived in sin, the spirit of nationalism has never ceased to bend human institutions to the service of dissension and distress

The dog commends himself to our favor by affording play to our propensity for mastery

Labor wants also pride and joy in doing good work, a sense of making or doing something beautiful or useful - to be treated with dignity and respect as brother and sister

With the exception of the instinct of self-preservation, the propensity for emulation is probably the strongest and most alert and persistent of the economic motives proper