It pays to know the enemy - not least because at some time you may have the opportunity to turn him into a friend.

It pays to know the enemy - not least because at some time you may have the opportunity to turn him into a friend.

了解敌人是有好处的，尤其是因为有时你可能有机会把他变成朋友。

-- Margaret Thatcher 玛格丽特·撒切尔