But even now wild beasts are not without their
uses, for, by the terror they cause, they bring man to the knowledge of
his Creator and lead him to call upon His name. And, further, at
the transgression the thorn sprung out of the earth in accordance with
the Lord’s express declaration and was conjoined with the
pleasures of the rose, that it might lead us to remember the
transgression on account of which the earth was condemned to bring
forth for us thorns and prickles Basil, Hom. de
Parad..