James 1:22

1:22 But be sure you live out the message and do not merely listen to it and so deceive yourselves.

Deuteronomy 11:16

Exhortation to Instruction and Obedience

11:16 Make sure you do not turn away to serve and worship other gods!

Isaiah 44:20

44:20 He feeds on ashes;

his deceived mind misleads him.

He cannot rescue himself,

nor does he say, ‘Is this not a false god I hold in my right hand?’

Galatians 6:3

6:3 For if anyone thinks he is something when he is nothing, he deceives himself.