We are little brethren twain,
Arbiters of loss and gain,
Many to our counters run,
Some are made, and some undone:
But men find it to their cost,
Few are made, but numbers lost.
Though we play them tricks for ever,
Yet they always hope our favour.
Jonathan Swift
http://www.poemhunter.com/poem/on-a-pair-of-dice/