John 8:10-12 (KJV)
10 When Jesus had lifted up himself, and saw none but the woman, he said unto her, Woman, where are those thine accusers? hath no man condemned thee?
11 She said, No man, Lord. And Jesus said unto her, Neither do I condemn thee: go, and sin no more.
12 Then spake Jesus again unto them, saying, I am the light of the world: he that followeth me shall not walk in darkness, but shall have the light of life.
Most people, including atheists, the LGBTQ, and others know about Matthew, chapter 7. They like to use verse 1 against Christian evangelists who are sharing the gospel message to the lost. They hate it when we tell them what sin is in the sight of God, for they feel judged. This judgment, they feel is