For just as the body without the spirit is dead, so also faith without works is dead. James 2:26
“Those who perform the works of faith provide experimental proof that they have faith. They show this firstly to themselves, and secondly to others, whey they act with generosity and out of love to God and to their neighbour, and not out of vainglory.”
Ulrich Zwingli (1484-1531) in Zwingli’s Thought: New Perspectives by Gottfried Wilhelm Locher (Leiden: Brill, 1981) 139.