Russell, Bertrand (1959). My Philosophical Development. London: Allen & Unwin. p.62. «Hegelians had all kinds of arguments to prove this or that was not 'real'. Number, space, time, matter, were all professedly convicted of being self-contradictory. Nothing was real, so we were assured, except the Absolute, which could think only of itself since there was nothing else for it to think of and which thought eternally the sort of things that idealist philosophers thought in their books.»
