One can advise comfortably from a safe port.

All essential knowledge relates to existence, or only such knowledge as has an essential relationship to existence is essential knowledge.

To stand on one leg and prove God's existence is a very different thing from going on one's knees and thanking him.

Only when it is a duty to love, only then is love eternally and happily secured against despair.

To dare is to lose one's footing momentarily. Not to dare is to lose oneself.

This is what is sad when one contemplates human life, that so many live out their lives in quiet lostness...they live, as it were, away from themselves and vanish like shadows. Their immortal souls are blown away, and they are not disquieted by the question of its immortality, because they are already disintegrated before they die.

... all comparisons injure.