The sum is, that the worship of God must be spiritual, in order that it may correspond with His nature. For although Moses only speaks of idolatry, yet there is no doubt but that by synecdoche, as in all the rest of the law, he condemns all fictitious services which men in their ingenuity have invented.
John Calvin...nothing good can proceed from our will until it be formed again, and that after it is formed again in so far as it is good, it is of God, and not of us.
John CalvinThere cannot be a surer rule, nor a stronger exhortation to the observance of it, than when we are taught that all the endowments which we possess are divine deposits entrusted to us for the very purpose of being distributed for the good of our neighbour.
John CalvinThe answer of our prayers is secured by the fact that in rejecting them God would in a certain sense deny His own nature.
John CalvinWe say, then, that Scripture clearly proves this much, that God by his eternal and immutable counsel determined once for all those whom it was his pleasure one day to admit to salvation, and those whom, on the other hand, it was his pleasure to doom to destruction. We maintain that this counsel, as regards the elect, is founded on his free mercy, without any respect to human worth, while those whom he dooms to destruction are excluded from access to life by a just and blameless, but at the same time incomprehensible judgment
John Calvin