[Thundercracker nods.]

  That I don't doubt.  I think we all stand against Unicron.  Just . . .

  . . . just that if Prima turns out to be anything other than he's claimed to be, or he changes over time and is no longer the way he is now . . . don't make the same mistake others have. 

  The one I did, a long, long time ago.

  [There.  He'd said it.  But if he could keep others from the same spark-wrenching horrors, doubts, and feelings of being trapped and enslaved by blindness and a misguided sense of duty…]