Luke 17:1

And he said unto the disciples, 'It is impossible for the stumbling blocks not to come, but woe to him through whom they come;

Matthew 18:7

'Woe to the world from the stumbling-blocks! for there is a necessity for the stumbling-blocks to come, but woe to that man through whom the stumbling-block doth come!

1 Corinthians 11:19

for it behoveth sects also to be among you, that those approved may become manifest among you;

Matthew 16:23

and he having turned, said to Peter, 'Get thee behind me, adversary! thou art a stumbling-block to me, for thou dost not mind the things of God, but the things of men.'

Romans 14:13

no longer, therefore, may we judge one another, but this judge ye rather, not to put a stumbling-stone before the brother, or an offence.

Romans 14:20-21

for the sake of victuals cast not down the work of God; all things, indeed, are pure, but evil is to the man who is eating through stumbling.

Romans 16:17

And I call upon you, brethren, to mark those who the divisions and the stumbling-blocks, contrary to the teaching that ye did learn, are causing, and turn ye away from them;

1 Corinthians 8:13

wherefore, if victuals cause my brother to stumble, I may eat no flesh -- to the age -- that my brother I may not cause to stumble.

1 Corinthians 10:32

become offenceless, both to Jews and Greeks, and to the assembly of God;

2 Thessalonians 2:10-12

and in all deceitfulness of the unrighteousness in those perishing, because the love of the truth they did not receive for their being saved,

Revelation 2:14

'But I have against thee a few things: That thou hast there those holding the teaching of Balaam, who did teach Balak to cast a stumbling-block before the sons of Israel, to eat idol-sacrifices, and to commit whoredom;

Revelation 2:20

'But I have against thee a few things: That thou dost suffer the woman Jezebel, who is calling herself a prophetess, to teach, and to lead astray, my servants to commit whoredom, and idol-sacrifices to eat;

Revelation 13:14-18

and it leadeth astray those dwelling on the land, because of the signs that were given it to do before the beast, saying to those dwelling upon the land to make an image to the beast that hath the stroke of the sword and did live,

Treasury of Scripture Knowledge

Summary

Then said he unto the disciples, It is impossible but that offences will come: but woe unto him, through whom they come!

Bible References

It is

Matthew 16:23
and he having turned, said to Peter, 'Get thee behind me, adversary! thou art a stumbling-block to me, for thou dost not mind the things of God, but the things of men.'
Matthew 18:7
'Woe to the world from the stumbling-blocks! for there is a necessity for the stumbling-blocks to come, but woe to that man through whom the stumbling-block doth come!
Romans 14:13
no longer, therefore, may we judge one another, but this judge ye rather, not to put a stumbling-stone before the brother, or an offence.
Romans 16:17
And I call upon you, brethren, to mark those who the divisions and the stumbling-blocks, contrary to the teaching that ye did learn, are causing, and turn ye away from them;
1 Corinthians 8:13
wherefore, if victuals cause my brother to stumble, I may eat no flesh -- to the age -- that my brother I may not cause to stumble.
1 Corinthians 10:32
become offenceless, both to Jews and Greeks, and to the assembly of God;
1 Corinthians 11:19
for it behoveth sects also to be among you, that those approved may become manifest among you;
2 Thessalonians 2:10
and in all deceitfulness of the unrighteousness in those perishing, because the love of the truth they did not receive for their being saved,
Revelation 2:14
'But I have against thee a few things: That thou hast there those holding the teaching of Balaam, who did teach Balak to cast a stumbling-block before the sons of Israel, to eat idol-sacrifices, and to commit whoredom;
Revelation 13:14
and it leadeth astray those dwelling on the land, because of the signs that were given it to do before the beast, saying to those dwelling upon the land to make an image to the beast that hath the stroke of the sword and did live,