Romans 14:3
"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."
Cross References (ranked by relevance)
But why dost thou judge thy brother? or why dost thou set at nought thy brother? for we shall all stand before the judgment seat of Christ.
And he spake this parable unto certain which trusted in themselves that they were righteous, and despised others:
Let us not therefore judge one another any more: but judge this rather, that no man put a stumblingblock or an occasion to fall in his brother’s way.
Then Peter opened his mouth, and said, Of a truth I perceive that God is no respecter of persons:
It is good neither to eat flesh, nor to drink wine, nor any thing whereby thy brother stumbleth, or is offended, or is made weak.
While Peter yet spake these words, the Holy Ghost fell on all them which heard the word.
But if thy brother be grieved with thy meat, now walkest thou not charitably. Destroy not him with thy meat, for whom Christ died.
Take heed that ye despise not one of these little ones; for I say unto you, That in heaven their angels do always behold the face of my Father which is in heaven.
Then came to him the disciples of John, saying, Why do we and the Pharisees fast oft, but thy disciples fast not?
For who hath despised the day of small things? for they shall rejoice, and shall see the plummet in the hand of Zerubbabel with those seven; they are the eyes of the LORD, which run to and fro through the whole earth.