Proverbs 22:22-26

Rob not the poor, because he is poor: neither oppress the afflicted in the gate:

For the LORD will plead their cause, and spoil the soul of those that spoiled them.

Make no friendship with an angry man; and with a furious man thou shalt not go:

Lest thou learn his ways, and get a snare to thy soul.

Be not thou one of them that strike hands, or of them that are sureties for debts.