If influenced by disturbing emotions, one points out another’s Bodhisattva’s faults, oneself is diminished. Therefore, not speaking about the faults of those who have entered the Great Vehicle is the Bodhisattvas’ practice.
A Bodhisattva’s Daily Practice
A bodhisattva’s practice is not to speak about
the faults of a person who has entered Mahayana,
Because, if under the power of disturbing emotions and attitudes,
We talk about the faults of others who are bodhisattvas,
We ourselves will degenerate.
– The Berzin Archives Thirty-seven Bodhisattva Practices
(Bodhisattva — In Tibetan Buddhism, a Bodhisattva is anyone who is motivated by compassion and seeks enlightenment not only for him/herself but also for everyone…)