Young Man At His Window, 1875 by Gustave Caillebotte.
In a world obsessed with productivity, this activity is increasingly frowned upon. The Book Of Life tells us that if we do it right, staring out the window offers a way for us to listen out for the quieter suggestions and perspectives of our deeper selves. We can explore the contents of our own mind which contains far more information than we are aware of at any one time.