Pro 27:7 The full soul loatheth an honeycomb; but to the hungry soul every bitter thing is sweet.
Pro 27:8 As a bird that wandereth from her nest, so is a man that wandereth from his place.
Pro 27:9 Ointment and perfume rejoice the heart: so doth the sweetness of a man's friend by hearty counsel.
Pro 27:10 Thine own friend, and thy father's friend, forsake not; neither go into thy brother's house in the day of thy calamity: for better is a neighbour that is near than a brother far off.
Pro 27:11 My son, be wise, and make my heart glad, that I may answer him that reproacheth me.
Pro 27:12 A prudent man foreseeth the evil, and hideth himself; but the simple pass on, and are punished.
This set has some great stuff about friendship. I truly am blessed by some really great friends.
If the simple seem stupid, remember we're all simple a lot. We're all very messed up at following God and fleeing from the dangers He seeks to protect us from.