I improved more rapidly
This is a nice detail in itself but not wholly devoid of further import.
However boastful the Creature may be about his advancement, the important
point, and one that has been slowly dawning on the reader, is that he is
extremely intelligent. Like his "father," he is superior to his
fellow-students (1.3.2). With his great
stature, his exquisitely fine feelings, and his mental quickness, he should
have been equipped, in Victor's early aspiration, to be a "new species" (1.3.6) of superhuman being. Instead, he
has been spurned.