After naming the problem (the senses overpower even the wise), Krishna names the solution. Restrain the senses. Sit focused. And — the crucial addition — keep Me as your highest goal. Matparah: the one for whom the Divine is supreme.
Why invoke devotion here, in the middle of a philosophical discussion? Because willpower alone runs out. The mind needs a positive anchor, not just a set of prohibitions. When the mind is drawn toward something greater — toward the Divine — it naturally pulls back from lesser distractions. A child absorbed in a favorite book barely hears the noise outside.
This shloka quietly weaves together jnana (wisdom), karma (discipline), and bhakti (devotion to the Divine). All three converge in the Sthitaprajna.