The defender of truth will need to watch his spirit and temper lest, while he attacks error in doctrine, he fall into error in practice. "The Lord Jesus Christ be with thy spirit." 2 Tim. 4:22. Worship is for spiritual persons who are led by the Spirit. To lower the character of communion, in order to meet the assumed unspiritual condition of some who may be present, is emphatically to make steps up to the altar (Ex. 20:26).