In "A Soldier of the Great War," Mark Helprin explores the relationship between intellect and discipline. The quote suggests that mere intellectual capability is insufficient; it must be balanced by the control of physical desires and impulses. This discipline allows the intellect to truly serve a higher purpose, specifically that of the soul. The interplay between the mind and body is crucial for personal growth and fulfillment.

Helprin's perspective implies that only through the mortification of the flesh—subduing base instincts and desires—can individuals harness their intellect effectively. This process leads to a deeper understanding of one’s self and enhances the capacity to lead a meaningful life. The balance of intellect and discipline is portrayed as essential for achieving one's true potential and connecting with one's inner being.