Romans 9:32

Why? Because they did not try through faith but through what they could do. They have stumbled over the stone that causes people to stumble,

1 Peter 2:8

and: "A stone for them to stumble over and a rock to trip them up." They keep on stumbling over the message, because they are disobedient to it, and this is their appointed doom.

Matthew 13:57

And so they found a cause for stumbling over Him. But Jesus said to them, "A prophet never fails to be honored except in his native neighborhood and in his own home." And so

Matthew 19:16-20

And a man came up to Him and asked, "What is there good that I can do to possess eternal life?"

Luke 2:34

Then Symeon gave them his blessing, and said to Mary, the child's mother, "This child is destined to bring the falling and the rising of many in Israel, and to be a sign continuously disputed --

Luke 7:23

And happy is the man who finds no cause for stumbling over me."

John 6:27-29

Stop toiling for the food that perishes, but toil for the food that lasts for eternal life, which the Son of Man will give you, for God the Father has given Him authority to do so."

Acts 16:30-34

After leading them out of the jail, he said, "Sirs, what must I do to be saved?"

Romans 4:16

So it is conditioned on faith, that it might be in accordance with God's unmerited favor, so that the promise might be in force for all the descendants of Abraham, not only for those who belong to the law party but also for those who belong to the faith group of Abraham. He is the father of us all,

Romans 10:3

For they were ignorant of God's way of right standing and were trying to set up one of their own, and so would not surrender to God's way of right standing.

Romans 11:11

I say then, they did not stumble so as to fall in utter ruin, did they? Of course not! On the contrary, because of their stumbling, salvation has come to heathen peoples, to make the Israelites jealous.

1 Corinthians 1:23

we are preaching the Christ who was crucified -- a message that is a trap-stick to the Jews and nonsense to the Greeks,

1 John 5:9-12

If we accept the testimony of men, the testimony of God is stronger still; because this is the testimony that God has borne to 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
So it is conditioned on faith, that it might be in accordance with God's unmerited favor, so that the promise might be in force for all the descendants of Abraham, not only for those who belong to the law party but also for those who belong to the faith group of Abraham. He is the father of us all,
Romans 10:3
For they were ignorant of God's way of right standing and were trying to set up one of their own, and so would not surrender to God's way of right standing.
Matthew 19:16
And a man came up to Him and asked, "What is there good that I can do to possess eternal life?"
John 6:27
Stop toiling for the food that perishes, but toil for the food that lasts for eternal life, which the Son of Man will give you, for God the Father has given Him authority to do so."
Acts 16:30
After leading them out of the jail, he said, "Sirs, what must I do to be saved?"
1 John 5:9
If we accept the testimony of men, the testimony of God is stronger still; because this is the testimony that God has borne to His Son.

They stumbled

Romans 11:11
I say then, they did not stumble so as to fall in utter ruin, did they? Of course not! On the contrary, because of their stumbling, salvation has come to heathen peoples, to make the Israelites jealous.
Matthew 13:57
And so they found a cause for stumbling over Him. But Jesus said to them, "A prophet never fails to be honored except in his native neighborhood and in his own home." And so
Luke 2:34
Then Symeon gave them his blessing, and said to Mary, the child's mother, "This child is destined to bring the falling and the rising of many in Israel, and to be a sign continuously disputed --
Luke 7:23
And happy is the man who finds no cause for stumbling over me."
1 Corinthians 1:23
we are preaching the Christ who was crucified -- a message that is a trap-stick to the Jews and nonsense to the Greeks,

General references

Matthew 19:30
But many who are first now will be last then, and many who are last now will be first then."
Mark 10:31
But many who are first now will be last then, and last now who will be first then."
Luke 7:23
And happy is the man who finds no cause for stumbling over me."
Romans 4:4
Now when a workman gets his pay, it is not considered from the point of view of a favor but of an obligation;