Authors:
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  4. Mark Twain
  5. Be respectful to your superiors, if you have any.

Be respectful to your superiors, if you have any.

Mark Twain
Respectful, Be Respectful, Ifs
Mark Twain (2012). “Mark Twain at Your Fingertips: A Book of Quotations”, p.4, Courier Corporation
Be respectful to your superiors, if you have any.