As far as the execution is concerned ... the most frequent and most serious mistake is to follow the music instead of preceding it.
Nadia BoulangerThe great conductor is always a despot by temperament and intractable in his ways. ... The artist is obliged to keep his laughter and tears to himself. If they want to emerge, in spite of himself, then he must hide them or unleash them in someone else.
Nadia BoulangerWithout a strong cup to carry the emotion, it is only a curiosity. Great art can come to us only in strong cups. Without emotion, there is nothing to carry.
Nadia Boulanger