Theme:

As the narrator sees God directing the waterfowl, the narrator is reminded of God's guidance in his own life. Through his observance in nature, the narrator is reconnected with his faith in God. It expressed both the poem’s grateful view, at the close of a day of self-doubt and despair, of a solitary bird on the horizon, and his sense of a diving power guiding and protecting everything in nature.

Summary
The narrator questions where the waterfowl is going. He questions his motives for flying. He warns the waterfowl that he could possibly find danger, traveling alone. But, this waterfowl is not alone. He knows that the waterfowl is being led by some Power. As the waterfowl reaches out of the narrator's sight, the narrator reflects on God's guidance in his own life. The narrator is sure that God has led this waterfowl, and that the waterfowl had faith in god. Now, the narrator's faith is strengthened. He knows that God is guiding him as well. As the narrator sees God directing the waterfowl, the narrator is reminded of God's guidance in his own life. Through his observance in nature, the narrator is reconnected with his faith in God.