Sexual self-restraint was only a preliminary stage in the ego's evolution.

But the perception of life as an organic unity is a slow achievement, and depends for its growth on a people's entry into the main current of world-events.

I have never considered myself a poet. I have no interest in poetic artistry.

It is true that we are made of dust. And the world is also made of dust. But the dust has motes rising.

It may, however, be said that the level of experience to which concepts are inapplicable cannot yield any knowledge of a universal character, for concepts alone are capable of being socialized.

The possibility of a scientific treatment of history means a wider experience, a greater maturity of practical reason, and finally a fuller realization of certain basic ideas regarding the nature of life and time.

Conduct, which involves a decision of the ultimate fate of the agent cannot be based on illusions.