The Stag, the Sheep, and the Wolf

The Fables of Phædrus
When a rogue offers his name as surety in a doubtful case, he has no design to act straight-forwardly, but is looking to mischief.
A Stag asked a Sheep for a measure of wheat, a Wolf being his surety. The other, however, suspecting fraud, replied: “The Wolf has always been in the habit of plundering and absconding; you, of rushing out of sight with rapid flight: where am I to look for you both when the day comes?”