selected proverbs

Dear brothers and sisters, I would like to put between your hands some chosen English proverbs.
What is your role? Simply, try to translate these proverbs into Arabic with giving a breif explanation.
I' waiting your participations. Thanks.
اخواني اخواتي الأعزاء, أود أن أضع بين أيديكم بعض المأثورات الانجليزية المختارة.
فما هو دورك؟ ببساطة حاول ترجمتها الى اللغة العربية مع اعطاء تفسيرا مختصرا..
منتظرا مشاركاتكم. وشكرا

1* Many hands make light work.
2* Necessity is the mother of invention.
3* If at first you don't succeed, try, try again.
4* you can't teach an old dog new tricks.
5*A bad workman always blames his tools.
6* Better late than never.
7* Clothes don't make the man.

مشكور