Halakhah su Deuteronomio 18:13

The root of Hasiduth is fear of the Lord. If a man desires some matter of enjoyment and turns aside from his passion only because of fear of God and not because he fears retributions in the world to come, nor because of the enjoyment of this world and the world to come, but he rather fears that he will not be perfect in the love of the Creator, may His name be blessed, as it is written, “Thou shalt be wholehearted with the Lord thy God” (Deut. 18:13); this person is called a God-fearing man. The great and singular restraint is forsaking foods, for saturation with foods brings evil imaginations. How so? If there be before him a meal of fish or meat or of other dainties let him not resist from eating at all but for the fear of God let him not fill his stomach to the full reach of his appetite.¹Sifra, ed. Weiss, p. 93b. It is the same with respect to one to whom a meritorious deed presents itself and it is difficult for him to do it, and (nevertheless) he does not desist from acting. And so we find with Abraham, “for now I know that thou art a God-fearing man” (Gen. 22:12).

Not to do magic, necromancy, or divination. Containing 19 sections. We do not make inquiries to astrological seers, nor to the fates. [Comment of Rema: Because it is said, "You must be wholehearted with the LORD your God." (Deuteronomy 18:13) (B"Y citing Tosafot (???) and citing Sifrei) And certainly it is prohibited to make inquiries to magicians, diviners, and sorcerers. (Piskei Mahara"i 96)]