Plural of "an end in itself" [closed]

In singular English say:

The thing is an end in itself.

How does plural look like then?

The things are the ends in themselves.

Am I right?


Solution 1:

It's done like this as well: Peace, love and understanding are ends in themselves, and Mr. Costello is to be commended for advocating them.

Solution 2:

The things are an end in themselves. -- ('respectively' being understood.)

Solution 3:

These things are ends in themselves -- if each 'thing' being referred to is itself an individual end.

The things are an end in themselves -- if the 'things' are collectively an end.