Everything good is costly, and the development of personality is one of the most costly of all things. It is a matter of saying yes to oneself, of taking oneself as the most serious of tasks, of being conscious of everything one does, and keeping it constantly before one's eyes in all its dubious aspects.

An old man who cannot bid farewell to life appears as feeble and sickly as the young man who is unable to embrace it.

Simple things are always the most difficult.

Fortunately, in her kindness and patience, Nature has never put the fatal question as to the meaning of their lives into the mouths of most people. And where no one asks, no one needs to answer.

Between the dreams of night and day there is not so great a difference.

It is a bewildering thing in human life that the things that cause the greatest fear is the source of the greatest wisdom.

Instead of being at the mercy of wild beasts, earthquakes, landslides, and inundations, modern man is battered by the elemental forces of his own psyche. This is the World Power that vastly exceeds all other powers on earth. The Age of Enlightenment, which stripped nature and human institutions of gods, overlooked the God of Terror who dwells in the human soul.