2 Samuel 5:6
Now the king and his men marched to Jerusalem against the Jebusites who inhabited the land. The Jebusites said to David: "You will never get in here. Even the blind and lame can repel you." For they thought, "David cannot get in here."

Proverbs 24:5
A wise man is strong, and a man of knowledge enhances his strength;

Ecclesiastes 7:19
Wisdom makes the wise man stronger than ten rulers in a city.

Ecclesiastes 9:15
Now a poor wise man was found in the city, and he saved the city by his wisdom. Yet no one remembered that poor man.

Ecclesiastes 9:16
And I said, "Wisdom is better than strength, but the wisdom of the poor man is despised, and his words are not heeded."