Genesis 39:1

Here is, I. Joseph bought (Gen 39:1), and he that bought him, whatever he gave for him, had a good bargain of him; it was better than the merchandise of silver. The Jews have a proverb, "If the world did not know the worth of good men, they would hedge them about with pearls." He was sold to an officer of Pharaoh, with whom he might get acquainted with public persons and public business, and so be fitted for the preferment for which he was designed. Note, 1. What God intends men for he will be sure, some way or other, to qualify them for. 2. Providence is to be acknowledged in the disposal even of poor servants and in their settlements, and therein may perhaps be working towards something great and important. II. Joseph blessed, wonderfully blessed, even in the house of his servitude. 1. God prospered him, Gen 39:2, Gen 39:3. Perhaps the affairs of Potiphar's family had remarkably gone backward before; but, upon Joseph's coming into it, a discernible turn was given to them, and the face and posture of them altered on a sudden. Though, at first, we may suppose that his hand was put to the meanest services, even in those appeared his ingenuity and industry; a particular blessing of Heaven attended him, which, as he rose in his employment, became more and more discernible. Note, (1.

— Matthew Henry's Concise Commentary (public domain)