Teachings can be most profound, but those who listen may not understand. Never mind. Don’t be perplexed over profundity or lack of it. Just do the practice wholeheartedly, and you can arrive at real understanding—it will bring you to the place the teachings talk about.
Ajahn Chah (1918 CE-1992 CE), Chah Subhaddo known in English as Ajahn Chah, was a Thai Buddhist monk. He was an influential teacher of the Buddhadhamma and a founder of two major monasteries in the Thai Forest Tradition.