Shemot 20:4-5

Thou shalt not make unto thee any pesel, or any temunah of any thing that is in Shomayim above, or that is in ha'aretz beneath, or that is in the mayim under ha'aretz. Thou shalt not tishtacheveh to them, nor serve them; for I Hashem Eloheicha am an El kanna, visiting the avon Avot upon the Banim unto the third and fourth generation of them that hate Me;