Buddhist practitioners must guard against
committing karma of speech and refrain
from ridiculing others for their wrongdoings.
They must guard against committing karma
of the body and refrain from contravening
laws and proprieties.
They must guard against committing karma
of thought and remain clean and
untarnished by defilements.
修行人要善护口业，不讥他过； 善护身业，不失律仪； 善护意业，清净无染。
Master Jun Hong Lu, Words of Wisdom Volume 4
