‘Certainly,’ said Voldemort, and his eyes seemed to burn red. ‘I have experimented; I have pushed the boundaries of magic further, perhaps, than they have ever been pushed -‘
‘Of some kinds of magic,’ Dumbledore corrected him quietly. ‘Of some. Of others, you remain…forgive me…woefully ignorant.’
For the first time, Voldemort smiled. It was a taut leer, an evil thing, more threatening than a look of rage.
‘The old argument,’ he said softly. ‘But nothing I have seen in the world has supported your famous pronouncements that love is more powerful than my kind of magic, Dumbledore.’
‘Perhaps you have been looking in the wrong places,’ suggested Dumbledore.