[M]an is fulfilling the purpose of existence who no longer needs to have any purpose except to live. That is to say, who is content.

The aspects of a thing that are most important to us are hidden to us because of their simplicity and familiarity.

Philosophy hasn't made any progress? - If somebody scratches the spot where he has an itch, do we have to see some progress? Isn't genuine scratching otherwise, or genuine itching itching? And can't this reaction to an irritation continue in the same way for a long time before a cure for the itching is discovered?

For a truly religious man nothing is tragic.

You can't hear God speak to someone else, you can hear him only when you are being addressed.

Since social relationships are always ambiguous, since my thought is only a unit, since my thoughts create rifts as much as they unite, since my words establish contacts by being spoken and create isolation by remaining unspoken, since an immense moat separates the subjective certitude that I have for myself from the objective reality that I represent to others, since I never stop finding myself guilty even though I feel I am innocent.

Death is not an event in life: we do not live to experience death.