John 10:1

"Most assuredly, I say to you, he who does not enter the sheepfold by the door, but climbs up some other way, the same is a thief and a robber.

Surrounding context

10:1 "Most assuredly, I say to you, he who does not enter the sheepfold by the door, but climbs up some other way, the same is a thief and a robber.

10:2 But he who enters by the door is the shepherd of the sheep.