Judges 16:17

17And he told her all his heart, and said to her, a“A razor has never come upon my head, for I have been a Nazirite to God from my mother’s womb. If my head is shaved, then my strength will leave me, and I shall become weak and be like any other man.”

Proverbs 12:16

16 bThe vexation of a fool is known at once,
but the prudent ignores an insult.

Proverbs 12:23

23 cA prudent man conceals knowledge,
dbut the heart of fools proclaims folly.

Proverbs 14:33

33Wisdom erests in the heart of a man of understanding,
but it makes itself known even in the midst of fools.
Or  Wisdom rests quietly in the heart of a man of understanding, but makes itself known in the midst of fools

Amos 5:13

13Therefore he who is prudent will gkeep silent in such a time,
hfor it is an evil time.

Micah 7:5

5 iPut no trust in a neighbor;
have no confidence in a friend;
guard jthe doors of your mouth
from her who lies in your arms;
Hebrew bosom

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