Dubliners by James Joyce Chapter 14 Page 47

“No, no,” said Mr Fogarty eagerly. “I think you’re wrong there. It was Lux in Tenebris, I think — Light in Darkness.”

“O yes,” said Mr M’Coy, “Tenebrae.”

“Allow me,” said Mr Cunningham positively, “it was Lux upon Lux. And Pius IX. his predecessor’s motto was Crux upon Crux — that is, Cross upon Cross — to show the difference between their two pontificates.”

The inference was allowed. Mr Cunningham continued.

“Pope Leo, you know, was a great scholar and a poet.”

“He had a strong face,” said Mr Kernan.

“Yes,” said Mr Cunningham.