Life without prejudice, were it ever to be tried, would soon reveal itself to be a life without principle. For prejudices, as we have seen earlier, are often built-in principles. They are the extract which the mind has made of experience.

That it does not matter what a man believes is a statement heard on every side today. ... What he believes tells him what the world is for. How can men who disagree about what the world is for agree about any of the minutiae of daily conduct? The statement really means that it does not matter what a man believes so long as he does not take his beliefs seriously.

Hysterical optimism will prevail until the world again admits the existence of tragedy, and it cannot admit the existence of tragedy until it again distinguishes between good and evil. . . Hysterical optimism as a sin against knowledge.

...knowledge of material reality is the knowledge of death.

The disappearance of the heroic ideal is always accompanied by the growth of commercialism. There is a cause-and-effect relationship here, for the man of commerce is by the nature of things a relativist; his mind is constantly on the fluctuating values of the marketplace, and there is no surer way to fail than to dogmatize and moralize about things.

The conclusion, so vexatious to democracy, that wisdom and not popularity qualifies for rule may be forced upon us by the peril in atomic energy.

contempt for the degradation of specialization and pedantry. Specialization develops only part of a man; a man partially developed is deformed.