Bible Verses About Offerings: To be made to God alone

`He who is sacrificing to a god, save to Jehovah alone, is devoted.

And the messenger of Jehovah saith unto Manoah, `If thou detain me--I do not eat of thy bread; and if thou prepare a burnt-offering--to Jehovah thou dost offer it;' for Manoah hath not known that He is a messenger of Jehovah.