ism

[…] his religion, his worship was like his daily bread to him; — which he did not take the trouble to talk much about; which he merely ate at stated intervals, and lived and did his work upon! This is Abbot Samson’s Catholicism of the Twelfth Century; — something like the Ism of all true men in all true centuries, I fancy! Alas, compared with any of the Isms current in these poor days, what a thing!