Wisdom loves the children of men, but she prefers those who come through foolishness to wisdom.

[A] process was going on in which people were transformed into things, into pieces of reality which pure science can calculate and technical science can control. … [T]he safety which is guaranteed by well-functioning mechanisms for the technical control of nature, by the refined psychological control of the person, by the rapidly increasing organizational control of society – this safety is bought at a high price: man, for whom all this was invented as a means, becomes a means himself in the service of means.

Decision is a risk rooted in the courage of being free.

Man is able to decide for or against reason, he is able to create beyond reason or to destroy below reason

We can speak without voice to the trees and the clouds and the waves of the sea. Without words they respond through the rustling of leaves and the moving of clouds and the murmuring of the sea.

Being human means asking the questions of one's own being and living under the impact of the answers given to this question. And, conversely, being human means receiving answers to the questions of one's own being and asking questions under the impact of the answers.

Knowledge of that which concerns us infinitely is possible only in an attitude of infinite concern.