Romans 9:31-32

9:31 but Israel even though pursuing a law of righteousness did not attain it. 9:32 Why not? Because they pursued it not by faith but (as if it were possible) by works. They stumbled over the stumbling stone,

Romans 10:3

10:3 For ignoring the righteousness that comes from God, and seeking instead to establish their own righteousness, they did not submit to God’s righteousness.

Proverbs 1:28

1:28 Then they will call to me, but I will not answer;

they will diligently seek me, but they will not find me.

Luke 13:24

13:24 “Exert every effort to enter through the narrow door, because many, I tell you, will try to enter and will not be able to.

Hebrews 12:17

12:17 For you know that later when he wanted to inherit the blessing, he was rejected, for he found no opportunity for repentance, although he sought the blessing with tears.