3 4 6 D O C U M E N T S 4 0 4 – 4 0 6 D E C E M B E R 1 9 2 2 404. To Max and Hedwig Born [Miyajima,] 23 December [1922][1] Dear Borns, Resplendent sunshine at Christmas. Cheerful, beautiful country with fine, deli- cate people. On the 29th it’s back onto the great water, homeward bound via Java, Palestine, and Spain it will probably be April by the time we get back. Until then, warm regards from your Einstein. 405. To Jun Ishiwara Moji, [between 23 and 29 December 1922][1] To my dear colleague Ishiwara as a souvenir, with whom I saw so many fine things, collaborated, and chatted many pleasant hours away. He is one of those few in whose company I would like very much to ponder and work because, for all the differences in origin and tradition, a mysterious harmony exists between us. Albert Einstein Moji 1922. 406. “Preface” to Japanese Collection of Papers [Einstein 1923f] Dated 27 December 1922 Published 1 May 1923 In: Einstein 1922–1924, Vol. 2, pp. [i–ii]. On the occasion of my sojourn in Japan, the indefatigable director of Kaizo Publishers[1] prepared a complete collection of my scientific papers to date,[2] which are thus made accessible in convenient form to my Japanese colleagues in the field and to students. It is a pleasant duty of mine to express my deep gratitude to Mr. Yamamoto for this achievement, no less also to my esteemed friend and col- [p. i]