I address myself to the young. They alone will have to listen to me, they alone will be able to understand me. Some people are born already old, droo… - Francesco Balilla Pratella

Knowledge of instrumentation should be acquired through experience. Instrumental composition should be conceived instrumentally, imagining and hearing a particular orchestra for each particular and diverse musical condition of the mind.

Original text:
Io mi rivolgo ai giovani. Essi soli mi dovranno ascoltare e mi potranno comprendere. C’è chi nasce vecchio, spettro bavoso del passato, crittogama tumida di veleni: a costoro, non parole, nè idee, ma una imposizione unica: fine.

All innovators, logically speaking, have been Futurists in relation to their time. Palestrina would have thought that Bach was crazy, and Bach would have thought Beethoven the same, and Beethoven would have thought Wagner equally so.