Romans 9:32

wherefore? because -- not by faith, but as by works of law; for they did stumble at the stone of stumbling,

1 Peter 2:8

and a stone of stumbling and a rock of offence -- who are stumbling at the word, being unbelieving, -- to which also they were set;

Matthew 13:57

and they were stumbled at him. And Jesus said to them, 'A prophet is not without honour except in his own country, and in his own house:'

Matthew 19:16-20

And lo, one having come near, said to him, 'Good teacher, what good thing shall I do, that I may have life age-during?'

Luke 2:34

and Simeon blessed them, and said unto Mary his mother, 'Lo, this one is set for the falling and rising again of many in Israel, and for a sign spoken against --

Luke 7:23

and happy is he whoever may not be stumbled in me.'

John 6:27-29

work not for the food that is perishing, but for the food that is remaining to life age-during, which the Son of Man will give to you, for him did the Father seal -- even God.'

Acts 16:30-34

and having brought them forth, said, 'Sirs, what must I do -- that I may be saved?'

Romans 4:16

Because of this it is of faith, that it may be according to grace, for the promise being sure to all the seed, not to that which is of the law only, but also to that which is of the faith of Abraham,

Romans 10:3

for not knowing the righteousness of God, and their own righteousness seeking to establish, to the righteousness of God they did not submit.

Romans 11:11

I say, then, Did they stumble that they might fall? let it not be! but by their fall the salvation is to the nations, to arouse them to jealousy;

1 Corinthians 1:23

also we -- we preach Christ crucified, to Jews, indeed, a stumbling-block, and to Greeks foolishness,

1 John 5:9-12

If the testimony of men we receive, the testimony of God is greater, because this is the testimony of God that He hath testified concerning His Son.

Treasury of Scripture Knowledge

Summary

Wherefore? Because they sought it not by faith, but as it were by the works of the law. For they stumbled at that stumblingstone;

Bible References

Because

Romans 4:16
Because of this it is of faith, that it may be according to grace, for the promise being sure to all the seed, not to that which is of the law only, but also to that which is of the faith of Abraham,
Romans 10:3
for not knowing the righteousness of God, and their own righteousness seeking to establish, to the righteousness of God they did not submit.
Matthew 19:16
And lo, one having come near, said to him, 'Good teacher, what good thing shall I do, that I may have life age-during?'
John 6:27
work not for the food that is perishing, but for the food that is remaining to life age-during, which the Son of Man will give to you, for him did the Father seal -- even God.'
Acts 16:30
and having brought them forth, said, 'Sirs, what must I do -- that I may be saved?'
1 John 5:9
If the testimony of men we receive, the testimony of God is greater, because this is the testimony of God that He hath testified concerning His Son.

They stumbled

Romans 11:11
I say, then, Did they stumble that they might fall? let it not be! but by their fall the salvation is to the nations, to arouse them to jealousy;
Matthew 13:57
and they were stumbled at him. And Jesus said to them, 'A prophet is not without honour except in his own country, and in his own house:'
Luke 2:34
and Simeon blessed them, and said unto Mary his mother, 'Lo, this one is set for the falling and rising again of many in Israel, and for a sign spoken against --
Luke 7:23
and happy is he whoever may not be stumbled in me.'
1 Corinthians 1:23
also we -- we preach Christ crucified, to Jews, indeed, a stumbling-block, and to Greeks foolishness,

General references

Matthew 19:30
and many first shall be last, and last first.
Mark 10:31
and many first shall be last, and the last first.'
Luke 7:23
and happy is he whoever may not be stumbled in me.'
Romans 4:4
and to him who is working, the reward is not reckoned of grace, but of debt;