"Sitting calmly on a ship in fair weather is not a metaphor for having faith; but when the ship has sprung a leak, then enthusiastically to keep the ship afloat by pumping and not to seek the harbor--that is the metaphor for having faith. (Concluding Unscientific Postscript)"
"The function of prayer is not to influence God, but rather to change the nature of the one who prays."
"Out of love for mankind, and out of despair at my embarrassing situation, seeing that I had accomplished nothing and was unable to make anything easier than it had already been made, and moved by a genuine interest in those who make everything easy, I conceived it as my task to create difficulties everywhere."
"People demand freedom of speech as a compensation for the freedom of thought which they seldom use."
"Life is not a problem to be solved, but a reality to be experienced."
"Philosophy cannot and should not give us an account of faith, but should understand itself and know just what it has indeed to offer, without taking anything away, least of all cheating people out of something by making them think it is nothing."