Proverbs 21:22
A wise man attacks the city of the mighty, and pulls down the stronghold in which they trust.
Ecclesiastes 7:19
Wisdom strengthens the wise more than ten mighty men who are in the city.
2 Samuel 5:6-9
The king and his men went to Jerusalem to attack the Jebusites, who lived in that region. The Jebusites told David: You will never get in here. Even the blind and the lame could turn you away. In other words he could not enter there.
2 Samuel 20:16-22
A wise woman shouted from the top of the wall: Hear this! Listen to me! I must talk to Joab! Tell him to come here!
Proverbs 24:5
A wise man is strong. A man of knowledge increases strength.
Ecclesiastes 9:13-18
I have seen this wisdom under the sun, and it seemed important to me.