Vienna IX, Berggasse 19
January 19, 1930

Dear Friend

My warm thanks for the gift of your twin-headed, three-volume work!1 Contrary to my calculation, my “discontented” little book preceded yours by several weeks. I shall now try with your guidance to penetrate into the Indian jungle from which until now an uncertain blending of Hellenic love of proportion (σωφρºσυνη) Jewish sobriety, and philistine timidity have kept me away. I really ought to have tackled it earlier, for the plants of this soil shouldn't be alien to me; I have dug to certain depths for their roots. But it isn't easy to pass beyond the limits of one's nature.

Of course I soon discovered the section of the book most interesting to me-the beginning, in which you come to grips with us extreme rationalists. That you call me “grand” here I have taken