No one would ever believe how hard it is to be really alone in a city of millions when you don't have money. The Post Office Girl 

"The Poet had, who had made a show of attaching no importance to this literary game (though it gnawed at his heart that he himself had not written such beautiful letters, provoking replies even more beautiful), and having no one with whom to fall in love, had fallen in love with the letters themselves — which, as Niketas remarked with a smile — was not surprising, since in youth we are prone to fall in love with love. Baudolino

The reality of the other person is not in what he reveals to you, but in what he cannot reveal to you. Therefore, if you would understand him, listen not to what he says but rather to what he does not say. Sand and Foam

His world empire is still, as formerly, an under-world empire, a hospital, a subterranean empire, a Ghetto empire ... And he himself so pale, so weak, so décadent ... even the palest of the pale still became master over him. Twilight of the Idols