7 You hypocrites, rightly did Isaiah prophesy of you:
8 ‘This people honors Me with their lips,
But their heart is far away from Me.
9 ‘But in vain do they worship Me,
Teaching as doctrines the precepts of men.’”
In the above statement, Jesus quoted Isaiah 29:13 as he spoke to the hypocritical, narcissistic Pharisees (see here and here about how we know that the Pharisees were narcissists / those with insolent pride). The Pharisees are a good case study on the behavior of religious leaders who are narcissists: