WFC Chapter 21:5 Of Religious Worship and the Sabbath Day 5. The reading of the Scriptures with godly fear; the sound preaching, and conscionable hearing of the Word, in obedience unto God with understanding, faith, and reverence; singing of psalms with grace in the heart; as, also, the due administration and worthy receiving of the sacraments instituted by Christ; are all parts of the ordinary religious worship of God: besides religious oaths, and vows, solemn fastings, and thanksgivings upon special occasion; which are, in their several times and seasons, to be used in an holy and religious manner