Sociology: A Very Short Introduction

Reality is socially constructed, our behavior has hidden social causes, and much of social life is profoundly ironic.

For every act there are two reasons: a good reason and the real reason.

J.P. Morgan

Science constantly changes. Its findings are never "true" in an absolute now-and-forever sense; they are always provisional and can always be improved. The convincing orthodoxy of one century becomes the historical curiosity of the next.