We will have no more than a life to own,
We will reap, sure, what we have sown;
There will be years of despondence,
They can be good by a happy tone.
When light of hope and good goes out,
When old and young both tear a shout;
When darkness, fright and dread prevail,
A happy tone puts them to rout.
Osama Waqar
http://www.poemhunter.com/poem/a-happy-tone/