Matthew 18:1-9

"About that time the disciples came to Jesus and asked, “Who is greatest in the Kingdom of Heaven?”
Jesus called a little child to him and put the child among them. Then he said, “I tell you the truth, unless you turn from your sins and become like little children, you will never get into the Kingdom of Heaven. So anyone who becomes as humble as this little child is the greatest in the Kingdom of Heaven.

“And anyone who welcomes a little child like this on my behalf is welcoming me. But if you cause one of these little ones who trusts in me to fall into sin, it would be better for you to have a large millstone tied around your neck and be drowned in the depths of the sea.

"Woe to the world because of the things that cause people to sin! Such things must come, but woe to the man through whom they come! If your hand or your foot causes you to sin, cut it off and throw it away. It is better for you to enter life maimed or crippled than to have two hands or two feet and be thrown into eternal fire. And if your eye causes you to sin, gouge it out and throw it away. It is better for you to enter life with one eye than to have two eyes and be thrown into the fire of hell."