17. Just as iron sharpens iron,friends sharpen the mindsof each other.
18. Take care of a tree,and you will eat its fruit;look after your master,and you will be praised.
19. You see your face in a mirrorand your thoughtsin the minds of others.
20. Death and the graveare never satisfied,and neither are we.
21. Gold and silver are testedin a red-hot furnace,but we are tested by praise.
22. No matter how hardyou beat a fool,you can't pound outthe foolishness.
23. You should take good careof your sheep and goats,