Two people in love, alone, isolated from the world, that's very beautiful. But...

Two people in love, alone, isolated from the world, that's very beautiful. But what would they nourish their intimate talk with? However contemptible the world may be, they still need it to be able to talk together.'
'They could be silent.'
'Like those two, at the next table?' Jean Marc laughed. 'Oh, no, no love can survive muteness.