It is play and only play that makes man complete.

The victor is often vanquished by his own success.

Culture, far from giving us freedom, only develops, as it advances, new necessities; the fetters of the physical close more tightly around us, so that the fear of loss quenches even the ardent impulse toward improvement, and the maxims of passive obedience are held to be the highest wisdom of life.

He who considers too much will perform little.

Everlastingly chained to a single little fragment of the Whole, man himself develops into nothing but a fragment; everlastingly in his ear the monotonous sound of the wheel that he turns, he never develops the harmony of his being, and instead of putting the stamp of humanity upon his own nature, he becomes nothing more than the imprint of his occupation or of his specialized knowledge.

Many a crown shines spotless now that yet was deeply sullied in the winning.

Gray hairs are death's blossoms.