Laws are useful, but can also give a false sense of completeness. LDS scriptures actually spell this out nicely: Mosiah 4:29 "And finally, I cannot tell you all the things whereby ye may commit sin; for there are divers ways and means, even so many that I cannot number them." D&C 58:27-29 "27 Verily I say, men should be aanxiously engaged in a good cause, and do many things of their own free will, and bring to pass much righteousness;

28 For the power is in them, wherein they are aagents unto themselves. And inasmuch as men do good they shall in nowise lose their breward.