Loving-kindness (caritas, ) was not as yet ranked as a virtue.
Caritas is set not in the appetitus sensitivus, but in the will.
Only the fides which is formed and completed in caritas is a virtue (Art. 5).
Love (caritas—charity) is identified with justice; and the will, the goodwill, is love.
For the sake of thy charity, which is the head and the top of all the testaments, ...