But it is doubtful whether Wentworth had ever realised of what materials that character consisted.

Wentworth was of those who never get the best out of men and women, who never divine and meet, but only come into surprised uncomfortable contact with their deeper emotions.
Michael's passion of service for Fay would have been a great shock to Wentworth had he suspected it.

It remained for the duke to perceive the latent power in Michael, and to be taken instantly into his confidence on the matter, while Wentworth, unwitting, had remained for life outside his brother's mind.
Some men and women are half conscious that they are thus left out, are companions only of "the outer court" of the lives of others.

But Wentworth never suspected this, partly because he regarded as friendship a degree of intimacy which most men and all women regard as acquaintanceship.

He did not know there was anything more.