John 10:8 directly states sheep did not listen to thieves/robbers, which are the strangers in verse 5.

Ephesians 4:11-15 describes maturity that prevents being tossed by false teaching, matching the sheep's instinct to flee strangers.

1 John 2:19 says false teachers left because they were never truly part of us—the sheep did not recognize their voice and so did not follow them.

1 John 4:6 contrasts those who know God listening to truth vs. not; directly parallels sheep hearing shepherd and fleeing strangers.

1 John 4:5 says false prophets are from the world and the world listens to them; sheep do not listen to strangers (false teachers).

Colossians 2:6-10 warns against deceptive philosophy; believers hold to Christ alone, just as sheep recognize only the true Shepherd's voice.

1 John 2:20 says believers have anointing to know truth; this enables discerning false teachers, like sheep recognizing shepherd's voice.

In 1 John 2:21, believers know the truth and recognize lies; sheep know the shepherd's voice and flee strangers.

Revelation 2:2 commends testing false apostles; sheep reject false teachers by not following strangers.