I believe she thinks she sees Captain Muir every night.

I wouldn't ask questions, but she spoke of it once again to me.
"Your obedient servant, SARAH ANN DOWSON." Lord Coombe sat in interested reflection.

He felt curiously uplifted above the rolling sounds in the street and the headlines of the pile of newspapers on the table.
"If it had not been for the tea and egg and buttered toast she would have been sure the poor child was mad." He thought it out.

"An egg and a slice of buttered toast guarantee even spiritual things.

Why not?
We are material creatures who have only material sight and touch and taste to employ as arguments.