Why is a forgery worth so much less than an original work of art? What's so funny about someone slipping on a banana peel? This work answers such questions, and other questions regarding human traits as art, humour, disgust, and morality. Presenting an account of human nature, it contends that we all see the world in terms of bodies and souls.

Provides practicing social entrepreneurs, whether nonprofit or for-profit, with a guiding framework and practical recommendations for scaling. It is filled with ideas and examples to make it easier for practitioners to make major strides in resolving serious social problems involving, poverty, health, education, and the environment.