Knowledge of human nature is the beginning and end of political education. – Henry Adams
It is impossible to underrate human intelligence – beginning with ones own. – Henry Adams

Knowledge of human nature is the beginning and end of political education. – Henry Adams
It is impossible to underrate human intelligence – beginning with ones own. – Henry Adams
Some day science may have the existence of mankind in power, and the human race can commit suicide by blowing up the world. – Henry Adams