Vayikra 18:4-6

Orthodox Jewish Bible

⁴ Ye shall do My mishpatim, and be shomer over My chukkot, to walk therein: I am Hashem Eloheichem.

⁵ Ye shall therefore be shomer over My chukkot, and My mishpatim; which if an ish do, he shall live by them: I am Hashem.

⁶ None of you shall approach to any that is near of kin to legallot ervah (to uncover nakedness, i.e., incestuously dishonor); I am Hashem.