John Gills Exposition of the Bible Commentary - Proverbs 10:17
He is in the way of life ,.... Of eternal life, which is truly, properly, and by way of eminency, "life", Matthew 19:17 ; and which is a life of glory; a life of perfection, of perfect holiness, knowledge, obedience, love, peace, and joy; a life free from all the inconveniences of the present life, animal or spiritual; a life of pleasure, and which will last for ever: the "way" to it is not by works of righteousness done by men, since by these the law is not fulfilled, nor justice... read more
Matthew Henry's Complete Commentary - Proverbs 10:17
See here, 1. That those are in the right that do not only receive instruction, but retain it, that do not let it slip through carelessness, as most do, nor let it go to those that would rob them of it, that keep instruction safely, keep it pure and entire, keep it for their own use, that they may govern themselves by it, keep it for the benefit of others, that they may instruct them; those that do so are in the way of life, the way that has true comfort in it and eternal life at the end of it.... read more