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little every-day courtesies are called the small change of life; but we should be badly off in trade if we had no small change, and must always deal with twenty-dollar bills; while the small change mounts up to the great sum in a lifetime.

Julia McNair Wright (1879). “The Complete Home: an Encyclopædia of Domestic Life and Affairs: The Household in Its Foundation, Order, Economy ... A Volume of Practical Experiences Popularly Illustrated”
little every-day courtesies are called the small change of life; but we should be badly off in trade if we had no small change, and must always deal with twenty-dollar bills; while the small change mounts up to the