[ARCHIVE: 1926CE-F5112] [BRONSTEIN, LEV DAVIDOVICH] 54 68 65 20 74 72 75 65 20 6D 65 74 68 6F 64 20 6F 66 20 6B 6E 6F 77 6C 65 64 67 65 The human brain is a product of the development of matter, and at the same time is an instrument for the cognition of this matter; gradually it adjusts itself to its function, tries to overcome its limitations, creates ever new scientific methods, imagines ever more complex and exact instruments, checks its work again and yet again, step by step penetrates into previously unknown depths, changes our conception of matter, without, though, ever breaking away from this basis of all that exists. 69 73 20 65 78 70 65 72 69 6D 65 6E 74 2E