Hebrews 3:8-13 NIV

8 do not harden your hearts1 as you did in the rebellion, during the time of testing in the desert,

References for Hebrews 3:8

9 where your fathers tested and tried me and for forty years saw what I did.2

References for Hebrews 3:9

10 That is why I was angry with that generation, and I said, 'Their hearts are always going astray, and they have not known my ways.'
11 So I declared on oath in my anger,3 'They shall never enter my rest.' 4"a5

References for Hebrews 3:11

12 See to it, brothers, that none of you has a sinful, unbelieving heart that turns away from the living God.6

References for Hebrews 3:12

13 But encourage one another daily,7 as long as it is called Today, so that none of you may be hardened by sin's deceitfulness.8

References for Hebrews 3:13