Killing time is not murder, it is suicide.

Whom the gods would destroy, they first make mad with power.

The two great tests of character are wealth and poverty.

I am convinced that the world is not a mere bog in which men and women trample themselves and die. Something magnificent is taking place here amidst the cruelties and tragedies, and the supreme challenge to intelligence is that of making the noblest and best in our curious heritage prevail.

The bee fertilizes the flower it robs.

Technological civilization... rests fundamentally on power-driven machinery which transcends the physical limits of its human directors, multiplying indefinitely the capacity for the production of goods. Science in all its branches - physics, chemistry, biology, and psychology - is the servant and upholder of this system

A man is a failure who goes through life earning nothing but money.