Warmth, or perhaps heat, is a better word for it.

Fortunately I'm proof against it because of what you might call an asbestos temperament; but I've seen it catch fire in a crowd, and it sweeps over an audience like a blaze over a prairie.

It is a cheap kind of oratory; yet it is a power in unscrupulous hands--and Vetch is unscrupulous." "You believe that ?" "I know it.

It has been proved again and again that he will stoop to any means in order to advance his ideas, which mean of course his ambition.
Oh, I'm not denying that in the main he is sincere, that he believes in his phrases.

As a matter of fact one has only to look at his appointments, those that he is able to make by his own authority! There isn't a doubt in the world that he deliberately sold his office in exchange for his election--" So this was one honest man's view of Gideon Vetch! John Benham believed this accusation, for some infallible intuition told her that Benham would never have repeated it, even as a rumour, if he had not believed it.