Angels are our true and trusty servants, performing offices and works that one poor miserable mendicant would be ashamed to do for another.
Martin LutherAs long as a man is persuaded that he can make even the smallest contribution to his salvation, he remains self-confident and does not utterly despair of himself, and so is not humbled before God. Such a man plans out for himself a position, an occasion, a work, which shall bring him final salvation, but which will not.
Martin LutherThe spiritual rest, which God particularly intends in this Commandment, is this: that we not only cease from our labor and trade, but much more, that we let God alone work in us and that we do nothing of our own with all our powers.
Martin Luther