“There is something frightful in the fact that the most dangerous thing of all, playing at Christianity, is never included in the list of heresies and schisms.”

“And this is one of the most crucial definitions for the whole of Christianity; that the opposite of sin is not virtue but faith.”

“To be lost in spiritlessness is the most terrible thing of all.”

“The paradox in Christian truth is invariably due to the fact that it is the truth that exists for God. The standard of measure and the end is superhuman; and there is only one relationship possible: faith.”

“In the Christianity of Christendom the Cross has become something like the child’s hobby-horse and trumpet.”

“It is a frightful satire and an epigram on the modern age that the only use it knows for solitude is to make it a punishment, a jail sentence.”

“But doubt is wily and cunning and never, as it is sometimes said to be, loud or defiant. It is unassuming and sly, not bold or assertive - and the more unassuming, the more dangerous.”