No More Learning

He observes that if the proofs which
have been already given and which, in their development will receive
greater force in the work itself, are sufficient to establish the
indefinite perfectibility of man upon the supposition of the same
natural faculties and the same           which he has at present,
what will be the certainty, what the extent of our hope, if this
organization, these natural faculties themselves, are susceptible of
amelioration?