Quote by Ambrose Bierce
Laughter -- An interior convulsion, producing a distortion of the features and accompanied by inarticulate noises. It is infectious and, though intermittent, incurable.
Summary
This quote is a concise description of laughter. It explains that laughter is an internal convulsion, referring to the involuntary muscular contractions that happen during a bout of laughter. These contractions cause a distortion of one's facial features, often accompanied by inarticulate noises. The quote also emphasizes the contagious nature of laughter, suggesting that it can easily spread from person to person. Additionally, it states that once laughter starts, it cannot easily be stopped or cured, suggesting that laughter tends to be intermittent and persistent.