Some of the greatest advances in mathematics have been due to the invention of symbols, which it afterwards became necessary to explain; from the minus sign proceeded the whole theory of negative quantities.

Defined in psychological terms, a fanatic is a man who consciously over-compensates a secret doubt.

The nature of oratory is such that there has always been a tendency among politicians and clergymen to oversimplify complex matters. From a pulpit or a platform even the most conscientious of speakers finds it very difficult to tell the whole truth.

I'm claiming the right to be unhappy.

Only a person with a Best Seller mind can write Best Sellers.

he had been making an unsuccessful effort to write something about nothing in particular

The Humanity of men and women is inversely proportional to their Numbers. A Crowd is no more human than an Avalanche or a Whirlwind. A rabble of men and women stands lower in the scale of moral and intellectual being than a herd of Swine or of Jackals.