Roger-Ducasse later wrote, "Taking up whatever the pupils were working on, he would evoke the rules of the form at hand ... and refer to examples, always drawn from the masters."
Ao respecto, Roger-Ducasse escribiu: «Asumindo o que fose no que estivesen traballando os alumnos, el evocaría as regras da forma a man e referiríase a exemplos, sempre dos mestres».