In the tractability with which, at my wish, you forsook a study in which you were interested, and adopted another because it interested me; in the untiring assiduity with which you have since persevered in it--in the unflagging energy and unshaken temper with which you have met its difficulties--I acknowledge the complement of the qualities I seek.
"Quando, per contentarmi, avete intrapreso lo studio di una lingua che non v'interessava e l'avete continuata con energia incrollabile, ho visto che avevate le qualità che cercavo.