Romans 14:3

Let not him that eats, despise him that eats not; and let not him that eats not, judge him that eats: for God has received him.

Luke 18:9

And he spoke this parable to some, who trusted in themselves that they were righteous, and who despised others.

Romans 14:10

But why do you judge your brother? Or why do you despise your brother? For we all shall stand before the judgment-seat of the Christ.

Romans 14:13

Let us, therefore, no longer judge one another: but rather decide to put no stumbling-block or snare in your brother's way.

Matthew 7:1-2

Judge not, that you may not be judged:

Matthew 9:14

Then came to him the disciples of John, saying: Why do we and the Pharisees fast often, but your disciples fast not?

Matthew 11:18-19

For John came, neither eating nor drinking, and they say: He has a demon.

Matthew 18:10

Take heed that you 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.

Acts 10:34

And Peter opened his mouth, and said: In truth, I perceive that God is no respecter of persons;

Acts 10:44

While Peter was speaking these things, the Holy Spirit fell on all that heard the word.

Acts 15:8-9

And God, who knows the heart, became a witness for them, by giving them the Holy Spirit, as he gave it also to us;

Romans 14:15

But if your brother is grieved on account of your food, you no longer walk according to love. Do not, with your food, destroy him, for whom Christ died.

Romans 14:21

It is good neither to eat flesh, nor to drink wine, nor to do any thing by which your brother stumbles, or is ensnared, or is made weak.

1 Corinthians 8:11-13

and will not the weak brother, for whom Christ died, perish through your knowledge?

1 Corinthians 10:29-30

conscience, I say, not your own, but that of the other. Why, then, is my liberty judged by the conscience of another?

Colossians 2:16-17

Let no one judge you, therefore, in meat or in drink, or in respect to a feast, or the 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 do you judge your brother? Or why do you despise your brother? For we all shall stand before the judgment-seat of the Christ.
Matthew 18:10
Take heed that you 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 18:9
And he spoke this parable to some, who trusted in themselves that they were righteous, and who despised others.
1 Corinthians 8:11
and will not the weak brother, for whom Christ died, perish through your knowledge?

For

Acts 10:34
And Peter opened his mouth, and said: In truth, I perceive that God is no respecter of persons;
Acts 15:8
And God, who knows the heart, became a witness for them, by giving them the Holy Spirit, as he gave it also to us;

General references

Matthew 7:1
Judge not, that you may not be judged: