We must now consider the cause of sin, in so far as one sin can be the cause of another. Under this head there are four points of inquiry:
(1) Whether covetousness is the root of all sins?
(2) Whether pride is the beginning of every sin?
(3) Whether other special sins should be called capital vices, besides pride and covetousness?
(4) How many capital vices there are, and which are they?