lip-labour that it doth regard, for it is the heart that God looks at, and that which sincerity looks at, and that which prayer comes from, if it be that prayer which is accompanied with sincerity. Second. It is a sincere and SENSIBLE pouring out of the heart or soul. It is not, as many take it to be, even a few babbling, prating, complimentary expressions, but a sensible feeling there is in the heart. Prayer hath in it a sensibleness of diverse things; sometimes sense of sin, sometimes of mercy
Volume 1, Pages 624–625