Treasury of Scripture Knowledge
1 Samuel 17:39
And David girded his sword upon his apparel, 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.
I beseech you therefore, brethren, by the mercies of God, to present your bodies a living sacrifice, holy, acceptable to God, which is your spiritual service.
so that ye may approve the things that are excellent; that ye may be sincere and void of offence unto the day of Christ;
1 Thessalonians 5:21
prove all things; hold fast that which is good;
and the ostrich, and the night-hawk, and the seamew, and the hawk after its kind,