Most men will proclaim every one his own goodness: but a faithful man who can find?
(Proverbs 20:6)

A friend loveth at all times, and a brother is born for adversity.
(Proverbs 17:17)

Greater love hath no man than this, that a man lay down his life for his friends.
(John 15:13)

And I will very gladly spend and be spent for you; though the more abundantly I love you, the less I be loved.
(2 Corinthians 12:15)

For, brethren, ye have been called unto liberty; only use not liberty for an occasion to the flesh, but by love serve one another. (Galatians 5:13)

Iron sharpeneth iron; so a man sharpeneth the countenance of his friend.
(Proverbs 27:17)

Open rebuke is better than secret love. Faithful are the wounds of a friend; but the kisses of an enemy are deceitful.
(Proverbs 27:5-6)
He that rebuketh a man afterwards shall find more favour than he that flattereth with the tongue.
(Proverbs 28:23)

Hatred stirreth up strifes: but love covereth all sins.
(Proverbs 10:12)

He that covereth a transgression seeketh love; but he that repeateth a matter separateth very friends.
(Proverbs 17:9)
A froward man soweth strife: and a whisperer separateth chief friends.
(Proverbs 16:28)