这几句英语谚语是什么意思?

这几句英语谚语是什么意思?
1 Friends are like wine;the older,the better.
2 When you meet your friend,your face shines --you have found gold.
3 A friend to all is a friend to none.
4 The same man cannot be both friend and flatterer.
5 The best mirror is an old friend.
6 False friends are worse than open enemies.
7 Walking with a friend in the dark is better than walking alone in the light.
8 Friendship cannot stand always on one side.
9 The friendship that can end was never real.
10 With clothes the new are the best; with friends the old are the best.