Those who have the privilege to know have the duty to act.
Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
It is easier to denature plutonium than to denature the evil spirit of man.
Gravity is a response to geometry.
The most powerful force in the world is compound interest.
One ought to be ashamed to make use of the wonders of science embodied in a radio set, the while appreciating them as little as a cow appreciates the botanic marvels in the plants she munches.