“When we smile, the muscles around our mouth are stretched and relaxed, just like doing yoga. Smiling is mouth yoga. We release the tension from our face as we smile. Others who run into us notice it, even strangers, and are likely to smile back. It is a wonderful chain reaction that we can initiate, touching the joy in anyone we encounter. Smiling is an ambassador of goodwill.”
~This quote has been attributed to Thich Nhat Hanh, but I’ve been unable to find an original source. The sentiment sounds like him, the phrasing does not. Regardless of who said it, though, it’s a nice thought.