Midlife is the time to let go of an overdominant ego and to contemplate the deeper significance of human existence.

The meeting of two personalities is like the contact of two chemical substances: if there is any reaction, both are transformed.

We should not pretend to understand the world only by the intellect. The judgement of the intellect is only part of the truth.

Much of the evil in the world is due to the fact that man in general is hopelessly unconscious.

During my medical education at the University of Basle I found vivisection horrible, barbarous and above all unnecessary

The afternoon of a human life must have a significance of its own, and cannot be merely a pitiful appendage to life's morning.

At present we educate people only up to the point where they can earn a living and marry; then education ceases altogether, as though a complete mental outfit had been acquired. ... Vast numbers of men and women thus spend their entire lives in complete ignorance of the most important things.