I am sure it is one's duty as a teacher to try to show boys that no opinions, no tastes, no emotions are worth much unless they are one's own. I suffered acutely as a boy from the lack of being shown this.
There is no end to education. It is not that you read a book, pass an examination, and finish with education. The whole of life, from the moment you are born to the moment you die, is a process of learning.
Monotony is the law of nature. Look at the monotonous manner in which the sun rises. The monotony of necessary occupation is exhilarating and life giving.