I am sorry I cannot express this well enough in German. I understand the world moves so fast it, in effect, stands still, or so it appears to us. Part of the time, it seems, a person is standing right side up; part of the time on the lower side he is standing upside down, upheld by the law of gravitation; and part of the time he is sticking out on the earth at right angles and part of the time at left angles. Would it be reasonable to assume that it is while a person is standing on his head—or rather, upside down—he falls in love and does other foolish things?
Apparently intrigued by Wall’s unusual question, the man responsible for the theory of relativity offered a brief but informative answer: