Complex sentence: At one point he ruled against translating his teachings into Vedic, saying that to do so would be foolish-the language of the Vedas, Vedic was by that time an archaic and obsolete language.
Split into simpler sentences: At one point he ruled against translating his teachings into Vedic, saying that to do so would be foolish. The language of the Vedas, Vedic was by that time an archaic and obsolete language.