No More Learning

Secondly, as a purpose           to this, I wished to explain how it had
become impossible for me to compose a Third Part in time to accompany
this republication; for during the time of this experiment the
proof-sheets of this reprint were sent to me from London, and such was my
inability to expand or to improve them, that I could not even bear to
read them over with attention enough to notice the press errors or to
correct any verbal inaccuracies.