6. Let no one take advantage of your youth; if he be a heathen who demands this, it is not right that he should bind your mind with the bonds of his own superstition; but by his zeal he ought to teach and admonish you how to be zealous for the true faith, since he defends vain things with all the passion of truth. I myself advise you to defer to the merits of illustrious men, but undoubtedly God must be preferred to all.