The team box poem – systems thinking
A team is a black box of which we can't unlock the locks.
All we can find out about is what goes in and what comes out.
Try to force the lock and you'll break the box.
Try to open the lid, and you'll break the box.
Observe and play with, and you may, sometimes, relate the input, the output and the state.
If this relation's good, then you'll be able to predict.