Proverbs 9:1

Builded her house. Interpretations that make the house a representation of the incarnation of Christ or of the church, the symbolical body of Christ, or of the schools of the prophets, in which wisdom resided, represent unauthorized allegorical deductions. It is sufficient to see in this “house” a poetic figure personifying wisdom and representing her as dwelling in a place at whose doors the eager searcher for truth waits (see ch. 8:34).

Seven pillars. These have been the subject of much conjecture. Seven frequently denotes completeness. Consequently, the house of wisdom may be said to be fully and perfectly built and firmly supported, since the pillars are of hewn stone. But to find a representation for each of these pillars is to indulge in conjecture.