They're rare as hens teeth and quite valuable, ... But we prefer to think of it as rare, and not the monetary value.

To be able to say: I loved this person, we had a hell of a nice time together, it’s over but in a way it will never be over and I do know that I for sure loved this person, to be able to say that and mean it, that’s rare, señor. That’s rare and valuable.”

— Ernest Hemingway, from The Complete Short Stories 

Alas! my child, where is the Pen That can do justice to the Hen? Like Royalty, she goes her way, Laying foundations every day, Though not for Public Buildings, yet For Custard, Cake and Omelette. Of if too old for such a use They have their fling at some abuse, As when to censure Plays Unfit Upon the stage they make a Hit Or at elections seal the Fate Of an Obnoxious Candidate. No wonder, Child, we prize the Hen, Whose Egg is Mightier than the Pen.

You're probably not going to call him to you if he's surrounded by hens.

We do not quite say that the new is more valuable because it fits in; but its fitting in is a test of its value -- a test, it is true, which can only be slowly and cautiously applied, for we are none of us infallible judges of conformity.

Not having Rob in those matches made me realize just how valuable he is as a hitter. I prefer using a 6-2 offense, so moving Chris to setter gives us the flexibility to have Rob exclusively as a hitter.