Romans 9:32

And wherefore? Because they sought it not by faith: but as it were, by the works of the law. For they have stumbled at the stumbling stone.

1 Peter 2:8

and a stone to stumble at, and a rock to offend them which stumble at the word, and believe not that whereon they were set.

Matthew 13:57

And they were offended by him. Then Jesus said unto them, "A prophet is not without honour, save in his own country, and among his own kin."

Matthew 19:16-20

And behold, one came, and said unto him, Good master, 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 shall be the fall, and resurrection, of many in Israel: And a sign which shall be spoken against.

Luke 7:23

and happy is he that is not offended by me."

John 6:27-29

Labor not for the meat which perisheth, but for the meat that endureth unto everlasting life, which meat the son of man shall give unto you. For him hath God the father sealed."

Acts 16:30-34

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

Romans 4:16

Therefore by faith is the inheritance given, that it might come of favour: and that the promise might be sure to all the seed. Not to them only which are of the law: but also to them which are of the faith of Abraham, which is the father of us all.

Romans 10:3

For they are ignorant of the righteousness which is allowed before God, and go about to establish their own righteousness: and therefore, are not obedient unto the righteousness which is of value before God.

Romans 11:11

I say then, Have they therefore stumbled that they should but fall only? God forbid: but through their fall is salvation happened unto the gentiles for to provoke them withal.

1 Corinthians 1:23

But we preach Christ crucified: unto the Jews, an occasion of falling; and unto the Greeks, foolishness.

1 John 5:9-12

If we receive the witness of men, the witness of God is greater. For this is the witness of God, that God hath born of 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
Therefore by faith is the inheritance given, that it might come of favour: and that the promise might be sure to all the seed. Not to them only which are of the law: but also to them which are of the faith of Abraham, which is the father of us all.
Romans 10:3
For they are ignorant of the righteousness which is allowed before God, and go about to establish their own righteousness: and therefore, are not obedient unto the righteousness which is of value before God.
Matthew 19:16
And behold, one came, and said unto him, Good master, what good thing shall I do, that I may have eternal life?"
John 6:27
Labor not for the meat which perisheth, but for the meat that endureth unto everlasting life, which meat the son of man shall give unto you. For him hath God the father 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 this is the witness of God, that God hath born of his son.

They stumbled

Romans 11:11
I say then, Have they therefore stumbled that they should but fall only? God forbid: but through their fall is salvation happened unto the gentiles for to provoke them withal.
Matthew 13:57
And they were offended by him. Then Jesus said unto them, "A prophet is not without honour, save in his own country, and among his own kin."
Luke 2:34
And Simeon blessed them, and said unto Mary his mother, "Behold, this child shall be the fall, and resurrection, of many in Israel: And a sign which shall be spoken against.
Luke 7:23
and happy is he that is not offended by me."
1 Corinthians 1:23
But we preach Christ crucified: unto the Jews, an occasion of falling; and unto the Greeks, foolishness.

General references

Matthew 19:30
Many that are first, shall be last; and the last shall be first.
Mark 10:31
Many that are first, shall be last. And the last, first."
Luke 7:23
and happy is he that is not offended by me."
Romans 4:4
To him that worketh is the reward not reckoned of favour: but of duty.