"Understands His Business", illustration by <a href="https://en.wikipedia.org/wiki/Walter_Francis_Brown" class="extiw" title="w:Walter Francis Brown">Walter Francis Brown</a> (1853-1929) for <a href="https://en.wikipedia.org/wiki/Mark_Twain" class="extiw" title="w:Mark Twain">Mark Twain's</a> <i><a href="https://en.wikipedia.org/wiki/A_Tramp_Abroad" class="extiw" title="w:A Tramp Abroad">A Tramp Abroad</a></i>, first published in 1880, copyright expired. Full quote: "He understood his business; for when a sword left his hand one could shave himself with it."
Walter Francis Brown (1853-1929)
1880
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