Complex sentence: While Gautama Buddha was probably familiar with what is now called Sanskrit, he preferred to teach in local languages, and at one point ruled against translating his teachings into Vedic, saying that to do so would be foolish.
Split into simpler sentences: While Gautama Buddha was probably familiar with what is now called Sanskrit, he preferred to teach in local languages. At one point he ruled against translating his teachings into Vedic, saying that to do so would be foolish.