Doubt is not the opposite of faith; it is one element of faith.

We have to build a better man before we can build a better society.

We are known in a depth of darkness through which we ourselves do not even dare to look. And at the same time, we are seen in a height of a fullness which surpasses our highest vision.

Existential anxiety of doubt drives the person toward the creation of certitude of systems of meaning, which are supported by tradition and authority. Neurotic anxiety builds a narrow castle of certitude which can be defended with the utmost certainty.

The character of human life, like the character of the human condition, like the character of all life, is "ambiguity": the inseparable mixture of good and evil, the true and false, the creative and destructive forces-both individual and social.

Neurosis is the way of avoiding non-being by avoiding being.

Accept the fact that you are accepted, despite the fact that you are unacceptable.