Drake looked thoughtful, and was certainly silent; both thought and silence were propitious signs.

On the other hand, Drake had interests in the City, had them at heart too, and, worse still, had the City itself at heart.
Fielding recollected an answer he had made to Mallinson.

The word 'heart' brought it to his mind.

Mallinson was jeering at the journalist's metaphor of the 'throbbing heart' as applied to London.

'The phrase,' Drake had said, 'to me is significant of something more than cheap phraseology.