Satan is tempting Jesus in the wilderness and says this:
Mat 4:8 Again, the devil taketh him up into an exceeding high mountain, and sheweth him all the kingdoms of the world, and the glory of them;
Mat 4:9 And saith unto him, All these things will I give thee, if thou wilt fall down and worship me.
And Jesus' response:
Mat 4:10 Then saith Jesus unto him, Get thee hence, Satan: for it is written, Thou shalt worship the Lord thy God, and him only shalt thou serve.
Mat 4:11 Then the devil leaveth him, and, behold, angels came and ministered unto him.
Mat 6:24 No man can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other. Ye cannot serve God and mammon. (Luke...