12 Albert Einstein, The Problem of Space, Ether, and the Field in Physics, in Ideas and Opinions, 285.
12 Albert Einstein, The Problem of Space, Ether, and the Field in Physics, in Ideas and Opinions, 285.
中译引自童元方的译本：《情书：爱因斯坦与米列娃》（台北：天下远见出版股份有限公司，2000），页27。