12/09/2011

What do schoolteachers and sumo wrestlers have in common?

An incentive is simply a means of urging people to do more of a good thing and less of a bad thing.

A thing worth having is a thing worth cheating for.

How selfish soever man may be supposed, there are evidently some principles in his nature, which interest him in the fortune of others, and render their happiness necessary to him, though he derives nothing from it, except the pleasure of seeing it.-------Adam Smith, The Theory of Moral Sentiments

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