Proverbs 21:22
A wise man scales the city [walls] of the mighty
And brings down the stronghold in which they trust.
Ecclesiastes 7:19
Wisdom strengthens the wise man more than ten rulers who are in a city.
2 Samuel 5:6-9
Now the king and his men went to Jerusalem against the Jebusites, the inhabitants of the land, who said to David, “You shall not enter here, for the blind and the lame [even the weakest among us] will turn you away”; they thought, “David cannot come in here [because the walls are impenetrable].”
2 Samuel 20:16-22
Then a wise woman cried out from the city, “Hear, hear! Tell Joab, ‘Come here so that I may speak to you.’”
Proverbs 24:5
A wise man is strong,
And a man of knowledge strengthens his power;
Ecclesiastes 9:13-18
This [illustration of] wisdom I have also seen under the sun, and great it was to me: