The prophet S.A.W said'' i advice you ten things: do not kill women or children or an aged, infan person; Do not but down fruit bearing trees; Do not destroy an inhabited places.; Do not slaughter sheep or camel except for food.; Do not burn bees and do not scatter them.; Do not steal from the booty and do not be cowardly. Bukhari vol 004, book 052, hadith number 257. Narrated by Abdullah.