Bede

Do not be wise in your own eyes. Perhaps someone may think this command is the same as the one previously given, And do not rely on your own understanding; but there is a great difference: for one relies on his own understanding who prefers his own opinions about what should be done or said over the decrees of the fathers; but he is wise in his own eyes who, having rightly learned from the teaching of the fathers, exalts himself above others as if more learned. But what true wisdom for a man is, he shows subsequently:

Commentary on Proverbs ↗