Or at least some of them. Search the web if you like it, there is more.

“Neither a lofty degree of intelligence nor imagination nor both together go to the making of genius. Love, love, love, that is the soul of genius.”

“Melody is the essence of music. I compare a good melodist to a fine racer, and counterpoints to hack post-horses.”

“One must not make oneself cheap here-that is a cardinal point-or else one is done. Whoever is most impertinent has the best chance.”

“Music, even in situations of the greatest horror, should never be painful to the ear but should flatter and charm it, and thereby always remain music.”

“My great-grandfather used to say to his wife, my great-grandmother, who in turn told her daughter, my grandmother, who repeated it to her daughter, my mother, who used to remind her daughter, my own sister, that to talk well and eloquently was a very great art, but that an equally great one was to know the right moment to stop.”