Who Knows But I am Enjoying This?

Others will enter the gates of the ferry, and cross from shore to shore;
Others will watch the run of the flood-tide;
Others will see the shipping of Manhattan north and west, and the heights of Brooklyn to the south and east;
Others will see the islands large and small;
Fifty years hence, others will see them as they cross, the sun half an hour high;
A hundred years hence, or ever so many hundred years hence, others will see them,
Will enjoy the sunset, the pouring in of the flood-tide, the falling back to the sea of the ebb-tide...

Who knows but I am as good as looking at you now, for all you cannot see me?

From Crossing Brooklyn Ferry by Walt Whitman