Proverbs 3:23

Accordingly, before the advent of the Lord, philosophy was necessary to the Greeks for righteousness. And now it becomes conducive to piety; being a kind of preparatory training to those who attain to faith through demonstration. “For thy foot,” it is said, “will not stumble, if thou refer what is good, whether belonging to the Greeks or to us, to Providence.” For God is the cause of all good things; but of some primarily, as of the Old and the New Testament; and of others by consequence, as philosophy. Perchance, too, philosophy was given to the Greeks directly and primarily, till the Lord should call the Greeks. For this was a schoolmaster to bring “the Hellenic mind,” as the law, the Hebrews, “to Christ.” Philosophy, therefore, was a preparation, paving the way for him who is perfected in Christ.

“Be not elated on account of thy wisdom,” say the Proverbs. “In all thy ways acknowledge her, that she may direct thy ways, and that thy foot may not stumble.” By these remarks he means to show that our deeds ought to be conformable to reason, and to manifest further that we ought to select and possess what is useful out of all culture. Now the ways of wisdom are various that lead right to the way of truth. Faith is the way. “Thy foot shall not stumble” is said with reference to some who seem to oppose the one divine administration of Providence. Whence it is added, “Be not wise in thine own eyes,” according to the impious ideas which revolt against the administration of God. “But fear God,” who alone is powerful. Whence it follows as a consequence that we are not to oppose God. …