De Plantatione

We cannot therefore raise any question as to why it was ordained that all the different species of animals should be collected in the ark which was made at the time of the great deluge, while more were brought into the Paradise. For the ark was an emblem of the body, which of necessity therefore contained all the most tameable and ferocious evils of the passions and vices; but the Paradise contained only the virtues: and the virtues do not receive anything savage or in short anything destitute of reason.