I would just like to mention Robert Houdin who in the eighteenth century invented the vanishing birdcage trick and the theater matinee - may he rot and perish. Good afternoon.
— Orson Welles

When Mozart was composing at the end of the eighteenth century, the city of Vienna was so quiet that fire alarms could be given verbally, by a shouting watchman mounted on top of St. Stefan's Cathedral. In twentieth-century society, the noise level is such that it keeps knocking our bodies out of tune and out of their natural rhythms. This ever-increasing assault of sound upon our ears, minds, and bodies adds to the stress load of civilized beings trying to live in a highly complex environment.
Steven Halpern eighteenth quote

The poetry from the eighteenth century was prose; the prose from the seventeenth century was poetry.
— David Hare

You remember that my great vision came to me when I was only nine years old, and you have seen that I was not much good for anything until after I had performed the horse dance near the mouth of the Tongue River during my eighteenth summer.
— Black Elk

In the last quarter of the eighteenth century bourgeois Europe needed to emancipate itself from that combination of feudalism and commercial capitalism which we know as mercantilism.
— C. L. R. James