"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."
"The paradox in Christian truth is invariably due to the fact that it is the truth that exists for God. The standard of measure and the end is superhuman; and there is only one relationship possible: faith."
"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)"
"la vida sólo puede ser entendida mirando hacia atrás; aunque deba ser vivida mirando hacia adelante"
"And when the hourglass has run out, the hourglass of temporality, when the noise of secular life has grown silent and its restless or ineffectual activism has come to an end, when everything around you is still, as it is in eternity, then eternity asks you and every individual in these millions and millions about only one thing: whether you have lived in despair or not."
"Therefore do not deceive yourself! Of all deceivers fear most yourself!"