What man of you, having a hundred sheep, if he loses one of them, does not leave the ninety and nine in the wilderness, and go after that which is lost, until he finds it?
All Commentaries on Luke 15:4 Go To Luke 15
Hippolytus of Rome
AD 235
And for this reason (they maintain) that when an error had arisen respecting the twelfth number, the sheep skipped from the flock and wandered away;