“If it is in any case most difficult to choose a life work - since upon the choice, whether it be right or wrong, will depend the good or bad fortune of the rest of one's life - how much care and foresight must he who would enter upon this art employ before he dares to decide. For musicians and poets are born such. You must try to remember whether even in childhood you felt a strong natural inclination to this art and whether you were deeply moved by the beauty of concords”