Everything has a cause and the cause of anything is everything.
The mind of the people is like mud, from which arises strange and beautiful things.
Mozart's mental grip never loosens; he never abandons himself to any one sense; even at his most ecstatic moments his mind is vigorous, alert, and on the wing. He dives unerringly on to his finest ideas like a bird of prey, and once an idea is seized he soars off again with an undiminished power.
Mozart 's music is very mysterious.