German Jewish philosopher and writer; he evolved philosophy inspired by study of Hasidism, based on encounter of man with nature, man, and God. ANS in German, note card folded to 5.5 x 4.5, no date. A preprinted message, with the handwritten 'Thank you for a very special letter and well wishes for my 70th birthday. Martin Buber.' In fine condition, scattered light creasing, a small smudge to one letter in the text, a faint crease touching one letter of the signature. RRAuction COA.
