Judgement
In Romans 14, the Apostle Paul urges Christian believers to not pass judgement on one another. "If the master of the house is accepting of the servant, who are you, as a guest, to come in and not do likewise?" (v4 paraphrase). After all, if God accepts our Christian brother or sister, with all their whims, quirks and difficulties, who are we not to? As we become more like Jesus, allowing our hearts to become more like his, we will find ourselves less inclined to judge others on minor matters.
Scripture: Romans 14:1-17