It's both funny and sad which seem to me to be the two basic ingredients of good comedy.
“Missionary zeal does not grow out of intellectual beliefs, nor out of theological arguments, but out of love. If I do not love a person I am not moved to help him by proofs that he is in need; if I do love him, I wait for no proof of a special need to urge me to help him.”
“A boy carries out suggestions more wholeheartedly when he understands their aim.”