Doctrine and Covenants 59:9-11
9 And that thou mayest more fully keep thyself unspotted from the world, thou shalt go to the house of prayer and offer up thy sacraments upon my holy day;
10 For verily this is a day appointed unto you to rest from your labors, and to pay thy devotions unto the Most High;
11 Nevertheless thy vows shall be offered up in righteousness on all days and at all times;
9 And that thou mayest more fully keep thyself unspotted from the world, thou shalt go to the house of prayer and offer up thy sacraments upon my holy day;
10 For verily this is a day appointed unto you to rest from your labors, and to pay thy devotions unto the Most High;
11 Nevertheless thy vows shall be offered up in righteousness on all days and at all times;