Rose neither heard the warning of Madame Danville, nor noticed the alteration in Lomaque.

She was looking round at her brother, and was waiting with a bright, affectionate smile to hear his answer.

He nodded, as if to reassure her, before he spoke again to Danville.
"You have rather romantic ideas about experiments in chemistry," he said, quietly.

"Mine have so little connection with what you call the occult arts that all the world might see them, if all the world thought it worth while.

The only Elixirs of Life that I know of are a quiet heart and a contented mind.