Matthew 18:6

But whosoever causes one of these little ones who believe in Me to stumble, it is profitable for him that a large millstone be hanged about his neck, and he be sunk in the depth of the sea.

Mark 9:42

And whosoever shall cause to stumble one of these little ones, who believe, it were better for him, if a great millstone were hanged about his neck, and he were cast into the sea.

Matthew 18:10

"See that ye despise not one of these little ones; for I say to you, that their angels in Heaven do always behold the face of My Father Who is in Heaven.

Matthew 18:14

In like manner it is not the will of your Father Who is in Heaven, that one of these little ones should perish.

Luke 17:1-2

And He said to His disciples, "It is impossible but that occasions of stumbling should come; but woe to him through whom they come!

Acts 9:5

And he said, "Who art Thou, Lord?" And He said, "I am Jesus Whom you are persecuting.

Romans 14:13-15

Let us not, therefore, judge one another any more; but judge ye this rather, not to put a stumbling-block, or an occasion of falling, in a brother's way.

Romans 14:21

It is good, neither to eat flesh, nor to drink wine, nor to do anything whereby your brother stumbles.

Romans 15:1-3

Now we, the strong, ought to bear the infirmities of the weak, and not to please ourselves.

1 Corinthians 8:9-13

But take heed, lest this liberty of yours become a stumbling-block to the weak.

1 Corinthians 10:32-33

Give no occasion of stumbling, either to Jews or Greeks, or to the assembly of God:

2 Thessalonians 1:6-9

since it is a righteous thing with God to recompense tribulation to those who cause you tribulation;

Treasury of Scripture Knowledge

Summary

But whoso shall offend one of these little ones which believe in me, it were better for him that a millstone were hanged about his neck, and that he were drowned in the depth of the sea.

General references

Bible References

Little

Matthew 18:10
"See that ye despise not one of these little ones; for I say to you, that their angels in Heaven do always behold the face of My Father Who is in Heaven.
Luke 17:2
It were profitable for him, if a millstone were placed about his neck, and he thrown into the sea, rather than that he should cause one of these little ones to stumble.

General references

2 Corinthians 6:3
giving no occasion of stumbling in anything, that our ministry be not blamed;
Philippians 2:4
not looking each to his own things, but each also to the things of others.