All that is human must retrograde if it does not advance.

All that is human must retrograde if it does not advance.

Our understanding of the world is achieved more effectively by conceptual improvements than by discovery of new facts...

Our understanding of the world is achieved more effectively by conceptual improvements than by discovery of new facts...

To love truth for truth's sake is the principal part of human perfection in this world, and the seed-plot of read more

To love truth for truth's sake is the principal part of human perfection in this world, and the seed-plot of all other virtues.

The Don Quixote of one generation may live to hear himself called
the savior of society by the next.

The Don Quixote of one generation may live to hear himself called
the savior of society by the next.

None save great men have been the authors of great heresies.

None save great men have been the authors of great heresies.

Without a struggle, there can be no progress.

Without a struggle, there can be no progress.

A civilized society is one which tolerates eccentricity to the point of doubtful sanity.

A civilized society is one which tolerates eccentricity to the point of doubtful sanity.

The unpredictability inherent in human affairs is due largely to the fact that the by-products of a human process are read more

The unpredictability inherent in human affairs is due largely to the fact that the by-products of a human process are more fateful than the product.

The revulsion from an unwanted self, and the impulse to forget it, mask it, slough it off and lose it, read more

The revulsion from an unwanted self, and the impulse to forget it, mask it, slough it off and lose it, produce both a readiness to sacrifice the self and a willingness to dissolve it by losing one's individual distinctness in a compact collective whole.