little snail

Own small snail asked her mother: Why we are born, we should bear this hard and heavy shell do?
Mom: Because our bodies do not support bone, can climb, they climb unhappy. Therefore, the protection to the shell!
little snail: sister no bones caterpillars, also climbing fast, why she was not back this hard and heavy shell do?
Mom: Because her sister can become a butterfly caterpillars, the sky will protect her ah.
small snail: the bones,before the good., but did not crawl Earthworm unhappy brother, it will not turn into a butterfly what he does not back this hard and heavy shell do?
Mom: Because earthworms brother will drill soil, the earth will protect him ah.
small snail began to cry: We are so poor, does not protect the sky, the earth is not protected.
snail mother consoled him: "So we have a shell ah!"
we do not rely on day to live on, we rely on our own.