The Butterfly effect:
The fluttering of a butterfly may cause imbalance in the air that may lead to a tornado.

The Butterfly effect:
Life is a roller coaster ride
A butterfly dancing in the air
coloful wings and green backdrop
a very beautiful sight

Life is a roller coaster ride
A tornado in the air
the sadness and despair
a very sad sight

LIfe is a roller coaster ride
The sad and grieved
think of the butterfly wings
move on with a smile