He jumped away, savagely, when she tugged at his hands. Tears still ran, but there was anger in his face now, that rage that could topple empires and burn stars. "No! No, no, you..! You gave up on me, Rose Tyler!" He pointed a finger at her. "So I'll get you to him. I'll get you to him, since you want him so much, even if I have to burn this world to do it."
He began to pace, moving away from her as his fingers sketched out circular patterns in the air. "The numbers won't stand still. I have to catch them. Catch them at just the right time. Make them fit. Reverse the gravitation of the neutron flow."