"They adorn my page. They all do it."

"Who is 'all'?"

"Everybody. Everybody that writes elegantly. Anybody has
a right to that wants to."

"I think you are mistaken." I then proceeded in the following
scathing manner. "When really learned men write books
for other learned men to read, they are justified in using
as many learned words as they please--their audience
will understand them; but a man who writes a book for the
general public to read is not justified in disfiguring
his pages with untranslated foreign expressions.
It is an insolence toward the majority of the purchasers,
for it is a very frank and impudent way of saying,
'Get the translations made yourself if you want them,
this book is not written for the ignorant classes.' There are
men who know a foreign language so well and have used it
so long in their daily life that they seem to discharge whole
volleys of it into their English writings unconsciously,
and so they omit to translate, as much as half the time.
That is a great cruelty to nine out of ten of the
man's readers. What is the excuse for this? The writer
would say he only uses the foreign language where the
delicacy of his point cannot be conveyed in English.
Very well, then he writes his best things for the tenth man,
and he ought to warn the nine other not to buy his book.
However, the excuse he offers is at least an excuse;