441 Arhat Sukhavācaka (Joyful Speech)
Different people have different faces, and different people have different hearts. Ordinary people can only simply judge good and evil from outward appearance, while saints and sages can perceive the human heart and point directly to its essence.
For those who receive this verse, one lacks the ability to correctly recognize and discern people. One should know that no matter how skillful one is at disguising, a person's inner nature will still be revealed through their outward behavior and through details. One must learn to observe and analyze to discern good from bad and kindness from evil.