Contradiction with Matthew 6:3
This verse advises not to let others know about your charitable deeds, while 1 Samuel 30:26 involves sending gifts openly to others.
Matthew 6:3: But when thou doest alms, let not thy left hand know what thy right hand doeth:
Contradiction with Proverbs 27:2
This verse suggests letting another praise you, and not your own mouth, contrasting with the act of sending gifts as in 1 Samuel 30:26, which could be seen as self-promotion.
Proverbs 27:2: Let another man praise thee, and not thine own mouth; a stranger, and not thine own lips.
Contradiction with Matthew 5:42
This verse encourages giving to those who ask, without reservation, whereas 1 Samuel 30:26 involves selective giving to friends.
Matthew 5:42: Give to him that asketh thee, and from him that would borrow of thee turn not thou away.
Contradiction with Luke 6:35
This verse instructs to lend, expecting nothing in return, which contrasts with sending gifts with perceived mutual obligations as in 1 Samuel 30:26.
Luke 6:35: But love ye your enemies, and do good, and lend, hoping for nothing again; and your reward shall be great, and ye shall be the children of the Highest: for he is kind unto the unthankful and [to] the evil.
Contradiction with Proverbs 19:17
Suggests lending to the Lord by giving to the poor, whereas 1 Samuel 30:26 involves sending spoils to those who are already friends rather than the needy.
Proverbs 19:17: He that hath pity upon the poor lendeth unto the LORD; and that which he hath given will he pay him again. [that which...: or, his deed]