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A Smile

Costs nothing but creates much.

Enriches those who receive,
Without impoverishing those who give.

Happens in a flash
And the memory of it sometimes lasts forever.

None are so rich that they can get along without it,
And none are so poor but are richer for a smile.

Yet it cannot be bought, begged, borrowed or stolen,
for it is something that is no earthly good to anyone until it is given away.