Read it through once

They were both dutiful and attentive sons, and were regular in their visits to their parents. Felix, though an offshoot from a far more recent point in the devolution of theology than his father, was less self-sacrificing and disinterested. More tolerant than his father of a contradictory opinion, in its aspect as a danger to its holder, he was less ready than his father to pardon it as a slight to his own teaching. Cuthbert was, upon the whole, the more liberal-minded, though, with greater subtlety, he had not so much heart.