Hebrews 3:12
Beware, brothers, lest perhaps there might be in any one of you an evil heart of unbelief, in falling away from the living God;
World English Bible (Public Domain)
In context
Before · Hebrews 3:10–11
10Therefore I was displeased with that generation, and said, ‘They always err in their heart, but they didn’t know my ways.’ 11As I swore in my wrath, ‘They will not enter into my rest.’”
12Beware, brothers, lest perhaps there might be in any one of you an evil heart of unbelief, in falling away from the living God;