Boast not thyself of to morrow; for thou knowest not what a day may bring forth.
Let another man praise thee, and not thine own mouth; a stranger, and not thine own lips.
A stone is heavy, and the sand weighty; but a fool’s wrath is heavier than them both.
Wrath is cruel, and anger is outrageous; but who is able to stand before envy?
Open rebuke is better than secret love.
Faithful are the wounds of a friend; but the kisses of an enemy are deceitful.
Proverbs 27:1-6