Some people said,
"What sunshine is to flowers, smiles are to humanity. These are but trifles, to be sure, but scattered along the life’s pathway, the good they do is inconceivable.
Then what fake smiles are to?
...
"I know just how to whisper
I know just how to cry
I know where to find the answers
And I know just how to lie
I know just how to fake it
I know just how to scheme
I know just when to fake the truth
And when to stick to dreams
(quotes taken from coolnsmart.com and becky2ann.tripod.com)