Doth he not leave the ninety and nine— This might be rendered, Would he not leave the ninety and nine on the mountains (in their pasture or fold) and go out to seek, &c.? See this parable in Luke 15.
Related Commentaries of Matthew 18:12
Matthew 18:12
12 How think ye? if a man have an hundred sheep, and one of them be gone astray, doth he not leave the ninety and nine, and goeth into the mountains, and seeketh that which is gone astray?