Everyone has a unique style of walking that makes it possible to recognize them long before their features are visible. Authentic Christians also demonstrate an observable identifying walk.
Paul’s admonition is usually seen in negative terms—where we shouldn’t walk. In reality, the emphasis is to be aware of where we should walk.
God is eternal and omniscient; and, unlike man sees all of history like a colossal appointment calendar. Transcending the time space continuum, God has planned every date of history and knows what He has purposed for each nanosecond.