Seeing much, suffering much, and studying much, are the three pillars of learning.
Benjamin DisraeliTaste, when once obtained, may be said to be no acquiring faculty, and must remain stationary; but knowledge is of perpetual growth and has infinite demands. Taste, like an artificial canal, winds through a beautiful country, but its borders are confined and its term is limited. Knowledge navigates the ocean, and is perpetually on voyages of discovery.
Benjamin Disraeli