The fly:

I'm a fly.
A dirty fly.
I'm nothing but pest.
You never know my feelings.
Because you are a butterfly.
You have beautiful wings.
You only eat sweet nectar, unlike me.
People catch you because they are mesmerized by your good looking.

The butterfly:

I'm a butterfly.
I don't eat dirty food like you.
I have beautiful wings.
People like me because my beautiful wings.
But do you know what I was going through?
Do you know the feeling of waiting?
Or do you know the feeling of being an ugly caterpillar?
You don't know anything.
You are just a poor creature that never be grateful of your life.
We have our role in this world.
God created you with purpose.
Don't you think so?
Your job is to find that purpose.
Not to envy other and whining about useless things.