They were smoking cigarettes.
"Julian," Valentine said, meditatively, "I sometimes wonder why you and I are such great friends." "How abominable of you! To seek a reason for friendship is as inhuman as to probe for the causes of love.

Don't, for goodness' sake, let your intellect triumph over your humanity, Valentine.

Of all modern vices, that seems to me the most loathsome.

But you could never fall into anything loathsome.

You are sheeted against that danger with plate armour." "Nonsense!" "But you are.