1 Samuel 17:39
David strapped his sword on his clothing, and he tried to move; for he had not tested it. David said to Saul, "I can't go with these; for I have not tested them." David took them off.
Hosea 1:7
But I will have mercy on the house of Judah, and will save them by the LORD their God, and will not save them by bow, sword, battle, horses, or horsemen."
Zechariah 4:6
Then he answered and spoke to me, saying, "This is the word of the LORD to Zerubbabel, saying, 'Not by might, nor by power, but by my Spirit,' says the LORD of hosts.
2 Corinthians 10:4-5
for the weapons of our warfare are not of the flesh, but mighty in God for the tearing down of strongholds,