Which sentence in this excerpt from William Dean Howells's "Editha" use an ironic tone?

The lady who was passing the summer near Balcom's Works was sketching Editha's beauty, which lent itself wonderfully to the effects of a colorist.

"To think of your having such a tragedy in your life!"

But when you consider how much this war has done for the country! I can't understand such people, for my part.

“Yes,” the lady said, looking at Editha’s lips in nature and then at her lips in art, and giving an empirical touch to them in the picture.