John Trapp Complete Commentary
Proverbs 13:20
He that walketh with wise [men] shall be wise: but a companion of fools shall be destroyed.
Ver. 20. He that walketh with wise men shall be wise.] He that comes where sweet spices and ointments are stirring, doth carry away some of the sweet savour, though he think not of it; so he that converseth with good men shall get good. Holiness is such an elixir as by contaction (if there be any disposition of goodness in the same metal) it will render it of the property. A child having been brought up with Plato, and afterwards hearing his father break out into rage and passion, said, I have never seen the like with Plato. a
But a companion of fools shall be broken.] There is an elegance in the original that cannot be told in English. Bede, by a companion or friend of fools here, understands those that take delight in jesters, stage players, and such idle companions, unprofitable burdens - fruges consumere nati, the botch and canker of the commonwealth. Theatra iuvenes corrumpunt, saith Plato. b Ludi praebent semina nequitiae, saith Ovid. The Lacedemonians would not admit any of them, that so they might not hear anything contrary to their laws, whether in jest or in earnest. And Henry III, Emperor of Germany, when a great sort of such fellows flocked together at his wedding, sent them all away, not allowing them so much as a cup of drink, 1044 AD. c
a Seneca, De Ira, lib. iii. cap. 11.
b Plutarch.
c Func., Chron.