1 Samuel 17:39

And David took Saul's sword and put the band round him over the metal coat, and was unable to go forward; for he was not used to them. Then David said to Saul, It is not possible for me to go out with these, for I am not used to them. So David took them off.

Hosea 1:7

But I will have mercy on Judah and will give them salvation by the Lord their God, but not by the bow or the sword or by fighting or by horses or horsemen.

Zechariah 4:6

This is the word of the Lord to Zerubbabel, saying, Not by force or by power, but by my spirit, says the Lord of armies.

2 Corinthians 10:4-5

(For the arms with which we are fighting are not those of the flesh, but are strong before God for the destruction of high places);

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
But I will have mercy on Judah and will give them salvation by the Lord their God, but not by the bow or the sword or by fighting or by horses or horsemen.
Zechariah 4:6
This is the word of the Lord to Zerubbabel, saying, Not by force or by power, but by my spirit, says the Lord of armies.
2 Corinthians 10:4
(For the arms with which we are fighting are not those of the flesh, but are strong before God for the destruction of high places);

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain