कः पथ्यतरो धर्मः कः शुचिरिह यस्य मानसं शुद्धम् ।कः पण्डितो विवेकी किं विषमवधीरणा गुरुषु ॥ ४ ॥
In plain words
What is the most healing dharma? Who is truly pure in this world? One whose mind is stainless. Who is the wise discriminator? And what is the gravest transgression? Disrespect toward the gurus.
Close to the Sanskrit
What is the most wholesome dharma? Who is pure here? He whose mind is pure. Who is a wise, discriminating person? What is a severe disrespect? Toward the gurus.