Please help!! “There is no more dangerous experiment than that of undertaking to be one thing before a man's face and another behind his back. We should live, act, and say nothing to the injury of anyone.”

How does the author convey his tone?

A. by alerting his son to the dangers of miscommunication

B. by suggesting that his son avoid bringing physical harm to anyone.

C. by discourage his son from experimenting too much

D. by impressing upon his son the importance of being honest.