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When asked, or not asked, or during a religious story or discourse, or at any other time, the sadhu should use the two languages of truth and untruth, and the two languages of amr̥ṣā (conduct). How should the sadhu do this? The sūtra-kāra says in this context: The sadhu, who is established in sat-samyama, the highest practice of restraint, who is udya-t, diligent, who is udya-t vihāra-śīla, diligent in his conduct, who is udāyī, like a king who is a māra-ka, a destroyer, who is not like a deceitful or cunning person, who is vihāra-śīla with the munis, who is free from attachment and aversion, who is endowed with excellent wisdom, should, relying on the two languages mentioned above, teach the cakravartī and the pauper equally.
"When one follows the wrong path, one should know it, and the sadhu should speak gently. He should not speak a language that is hurtful, nor should he speak in a way that is too long or too short." (23)
Commentary: When the sadhu speaks in these two languages, some intelligent people understand the meaning of what the ācārya and others have said, but others, because of their dull intellect, understand it differently. The sadhu should try to make those who understand it differently understand it correctly, using gentle words, and not using harsh words like "You are a fool," "You are stubborn," etc. He should not speak in a way that is disrespectful, with angry expressions on his face, hands, mouth, or eyes, which would cause pain to the person in front of him. He should not criticize the language of the questioner. He should not explain a short meaning in a long way.
"The meaning should be spoken in a few words. If a few words are spoken in many words, it becomes meaningless." (1)
The sūtra is short and the meaning is small, etc. In the four-fold classification, the one that is short and has a great meaning is praised here. (23)
Commentary: The author of the scripture says that when he speaks in the two languages mentioned above, some people, because of their intelligence, understand the meaning of what the ācārya and others have said, but others, because of their dull intellect, understand it differently. The sadhu should try to make those who understand it differently understand it correctly, using appropriate reasons, examples, and arguments, so that they understand, but not by calling them a fool, stubborn, or dull. He should not speak in a way that is disrespectful, with angry expressions on his face, hands, mouth, or eyes, which would cause pain to the person in front of him. He should not criticize the language of the questioner. He should not explain a short meaning in a long way.