Those who regard familiar objects in art and nature as mere matters of course, and do not trouble themselves to wander out of the beaten track of everyday thought, may not at first feel the forc...

 Those who regard familiar objects in art and nature as mere matters of course, and do not trouble themselves to wander out of the beaten track of everyday thought, may not at first feel the force or admit the truth of this statement. Let such folk endeavour to shake themselves vigorously out of this beaten track of everyday thought. Let them knit their brows and clench their teeth, and gaze steadfastly into the fire, or up at the sky, and try to realise what is involved in the idea of—a ship.