Romans 9:32

Wherefore? Because they sought it not by faith, but as it were by works. They stumbled at the stone of stumbling;

1 Peter 2:8

and, A stone of stumbling, and a rock of offence; for they stumble at the word, being disobedient: whereunto also they were appointed.

Matthew 13:57

And they were offended in him. But Jesus said unto them, A prophet is not without honor, save in his own country, and in his own house.

Matthew 19:16-20

And behold, one came to him and said, Teacher, what good thing shall I do, that I may have eternal life?

Luke 2:34

and Simeon blessed them, and said unto Mary his mother, Behold, this child is set for the falling and the rising of many in Israel; and for a sign which is spoken against;

Luke 7:23

And blessed is he, whosoever shall find no occasion of stumbling in me.

John 6:27-29

Work not for the food which perisheth, but for the food which abideth unto eternal life, which the Son of man shall give unto you: for him the Father, even God, hath sealed.

Acts 16:30-34

and brought them out and said, Sirs, what must I do to be saved?

Romans 4:16

For this cause it is of faith, that it may be according to grace; to the end that the promise may be sure to all the seed; not to that only which is of the law, but to that also which is of the faith of Abraham, who is the father of us all

Romans 10:3

For being ignorant of God's righteousness, and seeking to establish their own, they did not subject themselves to the righteousness of God.

Romans 11:11

I say then, Did they stumble that they might fall? God forbid: but by their fall salvation is come unto the Gentiles, to provoke them to jealousy.

1 Corinthians 1:23

but we preach Christ crucified, unto Jews a stumblingblock, and unto Gentiles foolishness;

1 John 5:9-12

If we receive the witness of men, the witness of God is greater: for the witness of God is this, that he hath borne witness 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
For this cause it is of faith, that it may be according to grace; to the end that the promise may be sure to all the seed; not to that only which is of the law, but to that also which is of the faith of Abraham, who is the father of us all
Romans 10:3
For being ignorant of God's righteousness, and seeking to establish their own, they did not subject themselves to the righteousness of God.
Matthew 19:16
And behold, one came to him and said, Teacher, what good thing shall I do, that I may have eternal life?
John 6:27
Work not for the food which perisheth, but for the food which abideth unto eternal life, which the Son of man shall give unto you: for him the Father, even God, hath sealed.
Acts 16:30
and brought them out and said, Sirs, what must I do to be saved?
1 John 5:9
If we receive the witness of men, the witness of God is greater: for the witness of God is this, that he hath borne witness concerning his Son.

They stumbled

Romans 11:11
I say then, Did they stumble that they might fall? God forbid: but by their fall salvation is come unto the Gentiles, to provoke them to jealousy.
Matthew 13:57
And they were offended in him. But Jesus said unto them, A prophet is not without honor, save in his own country, and in his own house.
Luke 2:34
and Simeon blessed them, and said unto Mary his mother, Behold, this child is set for the falling and the rising of many in Israel; and for a sign which is spoken against;
Luke 7:23
And blessed is he, whosoever shall find no occasion of stumbling in me.
1 Corinthians 1:23
but we preach Christ crucified, unto Jews a stumblingblock, and unto Gentiles foolishness;

General references

Matthew 19:30
But many shall be last that are first; and first that are last.
Mark 10:31
But many that are first shall be last; and the last first.
Luke 7:23
And blessed is he, whosoever shall find no occasion of stumbling in me.
Romans 4:4
Now to him that worketh, the reward is not reckoned as of grace, but as of debt.

American Standard Version Public Domain