A teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on cold iron.

Continuous improvement isn't a destination—it's a journey that never ends.

释义：贪婪是一切邪恶的源头，孝道乃众多善行美德之首。此句将淫乱之恶归于万恶之首，将孝道列为百善之首，劝勉人们远离邪恶，修炼孝行。