If you watch a lovely butterfly
Some lovely summer day
It will spread it's wings
and flutter by
Then lightly float away

Never catch a lovely butterfly
Don't try to make it stay
Let it spread it's wings
and flutter by
Then lightly float away

References:

The Children's Butterfly web site:
http://www.kidsbutterfly.org/

The Butterfly Clipart from the web site:
http://butterflywebsite.com/clipart/constructtable.cfm