“
Aaron Copland, whom Bernstein had met when he was in his junior year at Harvard and who would become a lifelong friend and mentor, wrote him encouraging letters. “Don’t expect miracles,” Copland advised the young man, “and don’t get depressed if nothing happens for a while. That’s NY.” But on August 25, 1943, his twenty-fifth birthday, Bernstein got his first professional break when Artur Rodzinski, then the music director of the New York Philharmonic, chose him to become his conducting assistant. “I have gone through all the conductors I know of in my mind,” Rodzinski explained to his new assistant, “and I finally asked God whom I should take, and God said, ‘Take Bernstein.
”
”
Jonathan Cott (Dinner with Lenny: The Last Long Interview with Leonard Bernstein)