Something of a person’s character may be discovered by observing when and how he smiles. Some people never smile; they grin.
Christian Nestell Bovee (1820-1904) American epigrammatist, writer, publisher
Intuitions and Summaries of Thought, vol. 2 (1862)
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Then he smiled, like a cat who had just been entrusted with the keys to a home for wayward but plump canaries.