Anxiety may consist of the loss of psychological or spiritual meaning which is identified with one's existence as a self, i.e., the threat of meaninglessness.

Language... has created the word 'loneliness' to express the pain of being alone. And it has created the word 'solitude' to express the glory of being alone.

Man is asked to make of himself what he is supposed to become to fulfill his destiny.

Astonishment is the root of philosophy.

God does not exist. He is being-itself beyond essence and existence. Therefore to argue that God exists is to deny him.

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

Sometimes I think it is my mission to bring faith to the faithless, and doubt to the faithful.