The fourth commandment is explicit. We are not to do our own work upon the Sabbath. God has given man six days for labor, but He has reserved the seventh to Himself, and He has pronounced a blessing upon those who keep it holy. On the sixth day all needful preparation for the Sabbath is to be made.... All purchases should be made and all our cooking should be done on Friday. Let baths be taken, shoes be blacked, and clothing be put in readiness. The sick require care upon the Sabbath, and whatever it may be necessary to do for their comfort is an act of mercy, and not a violation of the commandment.... But nothing of our own work should be permitted to encroach upon holy time. (HP 151.2) MC VC