On this account then He neither commanded to be merely a simple and single-hearted sort of person, nor merely wise; but hath mixed up both these, so that they may become virtue; taking in the wisdom of the p. 216 serpent that we may not be wounded in our vitals; and the harmlessness of the dove, that we may not retaliate on our wrongdoers, nor avenge ourselves on them that lay snares; since wisdom