It's not so much what you say,
As the manner in which you say it;
It's not so much the language you use,
As the tone in which you convey it.
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Is Tone Of Voice a poem you claim you wrote? Or is it one you found and submitted? Because the author credit should say Author Unknown. I know this because I own the book this poem is in. The book is called, Poems That Touch the Heart.
The majority of the references seem to be from 1905-1910, and from 1890-1900. Early publication with author unknown seems to have had a _revival_ at the turn of the _previous_ century in the journals and magazines of various temperance, christian, professional or fraternal organizations.