A true personality . . . is like a robust organism that, with unconscious sureness, seeks out and digests the nourishment appropriate to it and vigorously rejects that which is unsuitable.
Source: Advice to his wife Anna; in Words of Wisdom, by William and Leonard Safire, 1989.
-- Gustav Mahler, (Jul 7 1860-1911), Austrian composer, conductor; He is noted for his ten symphonies and various songs with orchestra, which drew together many different strands of Romanticism.