D O C S . 1 6 2 , 1 6 3 N O V E M B E R 1 9 1 9 1 3 7 162. To Max Born [Berlin, before 9 November 1919][1] Dear Born, So, from now on we should say Du to each other, if you allow it![2] I have re- ceived your manuscript.[3] But I almost believe it’s too long for the Sitzungs- berichte, according to the new rules. I’ll speak with Planck.[4] Your application to the K.W. Institute will have its turn, just a little patience![5] In the Toeplitz story, I can’t play the bow-wow role yet again otherwise my bay- ing won’t work in more flagrant cases anymore. Anti-Semitism must ultimately be understood as a real fact based on genuinely hereditary qualities, even though it is often unpleasant for us Jews.[6] I could also imagine that I would choose a Jew as my associate, if I had the choice. I would rather consider it sensible if Jews them- selves collected money to offer Jewish researchers support and teaching opportu- nities outside of universities.–[7] We’re very much looking forward to seeing your wife. Meanwhile, I want to beg her forgiveness, because—as she has proved—I still have not eaten enough from the Tree of Knowledge, despite it actually being my duty, according to my metier, to be ceremoniously fattened by its fruits.[8] For the pears, I thank you heartily— your productivity extends now to all marvels imaginable.[9] I hope you aren’t freez- ing too much over here we’re doing remarkably well in that regard. More sometime soon. For today, affectionate regards from your Einstein. [2]The familiar address. In the original, at the beginning of the third paragraph Einstein corrects from the formal to the familiar possessive pronoun. 163. To Benjamin de Jong van Beek en Donk Berlin, 9 November [1919][1] Highly esteemed Sir,[2] Through Prof. H. A. Lorentz I learned recently, on the occasion of a visit to Hol- land, that you have come into the possession of a brochure on the events in Lille, which is signed, among others, by me.[3] As I to a large part do not agree with the