if you just go on dreaming then it stays a dream and becomes stale and dead. But first to dream and then to do isn't that the way to make a dream come true

Until the longing came again, like the longing that you hear in the whistle of a train that is going far away. But the longing isn't really in the whistle, the longing is in you—for the wonder and the loveliness that is in the world, and everywhere.

The restlessness and the longing, like the longing that is in the whistle of a faraway train. Except that the longing isn't really in the whistle—it is in you.