Each time the mind arrives at a unifying concept is a time to look more deeply.
No concept exists without its opposite. The mind creates these opposites, opposites that sustain each other.
Breath
Inhale / Exhale
Our experience appears to be dual or non-dual, depending on how deeply we are looking. The mind strings these perspectives together infinitely. In fact, to even ‘have an experience’ we must be in a dualistic state.