One day an unknown youth asked Mozart to explain to him how to start to compose a symphony.
- You are young, - answered Mozart. In the beginning write a ballade, and if you like it, come to me.
- But you! At the age of ten you have composed a lot of music.
- But I did not ask anybody how to do it.
Snails produce a colorless, sticky discharge that forms a protective carpet under them as they travel along. The discharge is so effective that they can crawl along the edge of a razor without cutting themselves.