Proverbs 13:20 Whoever walks with the wise becomes wise, but the companion of fools will suffer harm.

Proverbs 17:17 A friend loves at all times, and a brother is born for adversity.
Proverbs 18:24 A man of many companions may come to ruin, but there is a friend who sticks closer than a brother.

Proverbs 20:6 Many a man proclaims his own steadfast love, but a faithful man who can find?
 
Pr. 22:24 - Make no friendship with a man given to anger, nor go with a wrathful man, lest you learn his ways and entangle yourself in a snare.

Proverbs 27:6 Faithful are the wounds of a friend; profuse are the kisses of an enemy.

Proverbs 27:9 Oil and perfume make the heart glad, and the sweetness of a friend comes from his earnest counsel.

Proverbs 27:10 Do not forsake your friend and your father’s friend, and do not go to your brother’s house in the day of your calamity. Better is a neighbor who is near than a brother who is far away

Pr. 27:17 Iron sharpens iron, and one man sharpens another.