1 Samuel 17:39

And David girded his sword above his long robe, and beginneth to go, for he hath not tried it; and David saith unto Saul, 'I am not able to go with these, for I had not tried;' and David turneth them aside from off him.

Hosea 1:7

and the house of Judah I pity, and have saved them by Jehovah their God, and do not save them by bow, and by sword, and by battle, by horses, and by horsemen.'

Zechariah 4:6

And he answereth and speaketh unto me, saying: 'This is a word of Jehovah unto Zerubbabel, saying: Not by a force, nor by power, But -- by My Spirit, said Jehovah of Hosts.

2 Corinthians 10:4-5

for the weapons of our warfare are not fleshly, but powerful to God for bringing down of strongholds,

Treasury of Scripture Knowledge

Summary

And David girded his sword upon his armour, and he assayed to go; for he had not proved it. And David said unto Saul, I cannot go with these; for I have not proved them. And David put them off him.

Bible References

Put them off

Hosea 1:7
and the house of Judah I pity, and have saved them by Jehovah their God, and do not save them by bow, and by sword, and by battle, by horses, and by horsemen.'
Zechariah 4:6
And he answereth and speaketh unto me, saying: 'This is a word of Jehovah unto Zerubbabel, saying: Not by a force, nor by power, But -- by My Spirit, said Jehovah of Hosts.
2 Corinthians 10:4
for the weapons of our warfare are not fleshly, but powerful to God for bringing down of strongholds,