The congratulatory part, when we give thanks for mercies received, which is the most excellent part of prayer. The Spirit helps us with sighs and groans. Both the expressions of the tongue, and the impressions of the heart, so far as they are right, are from the Spirit. Our Saviour has set us a pattern of prayer. God prescribed a set form of blessing for the priests.
Prayer is more powerful when many join and unite their forces.
That prayer is most likely to prevail with God which is rightly qualified. Faith sets prayer to work. The prayer that is faithless is fruitless. The incense was to be beaten to typify the breaking of the heart in prayer. Weeping prayer prevails.