A Connecticut Yankee in King Arthurs Court by Mark Twain Chapter 28 Page 2

The cares of a kingdom do not stoop the shoulders, they do not droop the chin, they do not depress the high level of the eye-glance, they do not put doubt and fear in the heart and hang out the signs of them in slouching body and unsure step. It is the sordid cares of the lowly born that do these things. You must learn the trick; you must imitate the trademarks of poverty, misery, oppression, insult, and the other several and common inhumanities that sap the manliness out of a man and make him a loyal and proper and approved subject and a satisfaction to his masters, or the very infants will know you for better than your disguise, and we shall go to pieces at the first hut we stop at.

Pray try to walk like this.”

The king took careful note, and then tried an imitation.