Owing to the difficulty of dealing with substances of high molecular weight we are still a long way from having determined the chemical characteristics and the constitution of proteins, which are regarded as the principal con-stituents of living organisms.
“For the word is dialectical in itself and at the same time is integrated into the whole of existence. By this I mean that the word is intended to be lived.”
“The masses don't shed their blood for the benefit of a few individuals.”