One night the harmony with their fellow-passengers was threatened with rupture.
They were much annoyed by a violent dispute about the Trinity carried on in the adjoining cabin far into the night.

McMaster finally lost patience, sprang out of bed, rushed among the disputants, and smote the table with a tremendous blow and shouted _"Silence!"_ His remedy was efficacious; the theologians scattered and went to bed.
There was a marked difference between Isaac and his companions in controversial views.

All three used their reason with the utmost activity, but he had travelled into the Church by the road of philosophy and they by that of history and Scripture.

Their conversation must have been the exchange of intellectual commodities of very different kinds and for that reason expediting a busy commerce.

They could profit by his bold and original views of principle and he was in need of their idea of the external integrity of organized religion.