There are, of course, a number of other most powerful elements to consider when thinking about speech.
One of the most important ones that researcher Andrew Newberg uncovers in his book Words Can Change Your Brain is facial expressions that we carry.
Newberg explains his reasoning for why the Mona Lisa's content smile turned into one of the most well known paintings around the world: "We know that smiling is a very powerful gesture; we were doing a research study looking at different symbols, and the symbol that was rated with the highest positive emotional content was the smiley face.
The painting of the Mona Lisa is one particular example of that feeling of calmness."
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