But if one were physically active in pursuit of service to God and/or godly service to others, it would be entirely consistent with the Sabbath law to work hard at such sorts of activities and be reasonably worn out by them at the end of the day. To love God is not to have a lazy day one day a week; rather it is to focus on doing his will specially on one day a week—to worship, learn, study, care, and strengthen the spirit.