न तिर्यक्समधर्माण उपदेश्या नरा भुवि ।कथार्थकथनेनार्थः कः स्थाणुनिकटे वने
In plain words
Men on earth whose conduct stands on a level with beasts are not to be taught. What use is there in expounding the meaning of a teaching to a stump, there in the forest?