"Look at the Sphinx, and Cleopatra's Needle, and--and a host of other things!" "You think that they will endure for ever ?" he said.
"For a very, very long while," she maintained.
"But for ever, mademoiselle ?" He turned round to her, quite serious for once.

"There is only one thing that endures for ever," he said.
Chris frowned.

"I don't want to think about it.

It makes me feel giddy," she said.

"Please go on drawing.