Unwitting cooperation

As a shrewd political move, Caiaphas and the priests sacrificed Jesus to save their place. But it was an unwitting move of dramatic irony, which became the occasion of infinite grace. For in sacrificing Jesus, Caiaphas became the only high priest in Israel's long history to actually do his job: he offered up the one, true Sacrifice—though he never knew it, and did it for the wrong reason.— The Shack Revisited, page 201

<idle musing>
Interesting thought, isn't it? I hadn't realized this until he mentioned it. I wonder how many times we unwittingly assist the Lord in doing his will? Food for thought...
</idle musing>