The longing to behold this pre-established harmony [of phenomena and theoretical principles] is the source of the inexhaustible patience and perseverance with which Planck has devoted himself … The state of mind which enables a man to do work of this kind is akin to that of the religious worshiper or the lover; the daily effort comes from no deliberate intention or program, but straight from the heart.
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Man can find meaning in life, short and perilous as it is, only through devoting himself to society.
At last I will devote myself sincerely and without reservation to the general demolition of my opinions.