It costs nothing, but creates much;
It enriches those who receive
Without impoverishing those who give.
It happens in a flash and the memory of it
Sometimes lasts forever.
None are so rich that they can get along without it;
None are so poor, but are richer for the benefit.
It is rest to the weary, sunshine to the sad,
And nature's best antidote for trouble.
It cannot be bought, borrowed or stolen,
For it is something that is no earthly good
Until it is given away,
And yet when it is given away, it always comes back;
And nobody needs a smile so much as
Those who have none to give.
(Author unknown)