Adam Clarke's Commentary on the Bible - Genesis 38:1
And it came to pass at that time - The facts mentioned here could not have happened at the times mentioned in the preceding chapter, as those times are all unquestionably too recent, for the very earliest of the transactions here recorded must have occurred long before the selling of Joseph. Mr. Ainsworth remarks "that Judah and his sons must have married when very young, else the chronology will not agree. For Joseph was born six years before Jacob left Laban and came into Canaan; Genesis... read more
John Gills Exposition of the Bible Commentary - Genesis 38:10
And the thing which he did displeased the Lord ,.... Being done out of envy to his brother, and through want of affection to the memory of his name; and it may be out of covetousness to get his estate into his own hands, and especially as it frustrated the end of such an usage of marrying a brother's wife; which appears to be according to the will of God, since it afterwards became a known law of his; and it was the more displeasing, as it was not only a check upon the multiplication of... read more