vāṅmayaṁ tapa ucyate

anudvega-not agitating; karam-producing; vakyam-words; satyam-truthful; priya-dear; hitam-beneficial; ca-also; yat-which; svadhyaya-Vedic study; abhyasanam-practice; ca-also; eva-certainly; vaṅmayam-of the voice; tapah-austerity; ucyate-is said to be.