'Good Teacher' in the Bible

And lo, one having come near, said to him, 'Good teacher, what good thing shall I do, that I may have life age-during?'

And as he was going forth into the way, there ran one to him, and kneeled to him, and asked him, Good Teacher, what shall I do that I may inherit eternal life?

Then Jesus asked him, "What do you want me to do for you?" The blind man answered, "Good Teacher, I want to see again."

And a certain ruler asked him, saying, Good Teacher, what shall I do to inherit eternal life?