To depart without the ceremony of saying good-bye takes its name from the most elaborately civil of people-French leave; while the least Perturbable of nations has been made to contribute an epithet, Dutch, to the courage derived from the whiskey-bottle.
"From Sail to Steam, Recollections of Naval Life"
Captain A. T. Mahan
Ephemeral at the best all honours be, These even more ephemeral than their kind, So random-fashioned, swift, Perturbable!
"The Dynasts An Epic-Drama Of The War With Napoleon, In Three Parts, Nineteen Acts, And One Hundred And Thirty Scenes"
Thomas Hardy