We must now consider the species of superstition. We shall treat (1) Of the superstition which consists in giving undue worship to the true God; (2) Of the superstition of idolatry; (3) of divinatory superstition; (4) of the superstition of observances.

Under the first head there are two points of inquiry:

(1) Whether there can be anything pernicious in the worship of the true God?

(2) Whether there can be anything superfluous therein?