Romans 14:3

Let not him, that eateth, despise him that eateth not; and let not him, that eateth not, censure him that eateth: for God hath received him.

Luke 18:9

And He spake also this parable to some that trusted in themselves as being righteous, and despised others.

Romans 14:10

But why dost thou censure thy brother? or why dost thou set at nought thy brother? since we shall all stand before the tribunal of Christ;

Romans 14:13

Let us not therefore judge one another any more: but judge this rather, not to lay a stumbling-block or scandal before a brother.

Matthew 7:1-2

Judge not, that ye be not judged:

Matthew 9:14

Then also come to Him the disciples of John, saying, Why do we and the pharisees fast much, but thy disciples do not fast?

Matthew 11:18-19

for John came neither eating nor drinking as others do, and they say, He is beside himself:

Matthew 18:10

See that ye despise not one of these little ones; for I tell you, that their angels in heaven do continually appear in the presence of my father, who is in heaven:

Acts 10:34

Then Peter opened his mouth and said, Of a truth I perceive that God is no respecter of persons:

Acts 10:44

While Peter was yet speaking these words, the holy Spirit fell upon all them that heard the word.

Acts 15:8-9

And God who knoweth the heart, bare witness to them, giving them the holy Spirit, as He had done also to us:

Romans 14:15

But if thy brother be grieved by thy food, thou dost not herein walk in love. Do not by thy food destroy him, for whom Christ died.

Romans 14:21

It is good not to eat flesh, nor to drink wine, nor to do any thing at which thy brother stumbleth, or is offended, or weakened.

1 Corinthians 8:11-13

and so the weak brother, for whom Christ died, shall perish by thy knowledge?

1 Corinthians 10:29-30

Conscience I say, not thy own, but the other's; for why is my liberty to be judged by another man's conscience?

Colossians 2:16-17

Let no one therefore judge you on account of meat, or drink, or in respect of a feast, or a new-moon, or sabbaths;

Treasury of Scripture Knowledge

Summary

Let not him that eateth despise him that eateth not; and let not him which eateth not judge him that eateth: for God hath received him.

General references

Bible References

Despise

Romans 14:10
But why dost thou censure thy brother? or why dost thou set at nought thy brother? since we shall all stand before the tribunal of Christ;
Matthew 18:10
See that ye despise not one of these little ones; for I tell you, that their angels in heaven do continually appear in the presence of my father, who is in heaven:
Luke 18:9
And He spake also this parable to some that trusted in themselves as being righteous, and despised others.
1 Corinthians 8:11
and so the weak brother, for whom Christ died, shall perish by thy knowledge?

For

Acts 10:34
Then Peter opened his mouth and said, Of a truth I perceive that God is no respecter of persons:
Acts 15:8
And God who knoweth the heart, bare witness to them, giving them the holy Spirit, as He had done also to us:

General references

Matthew 7:1
Judge not, that ye be not judged: