Matthew 18:6-7
But, if any one puts a snare in the way of one of these lowly ones who believe in me, it would be best for him to be sunk in the depths of the sea with a great millstone hung round his neck.
Romans 14:15
If, for the sake of what you eat, you wound your Brother's feelings, your life has ceased to be ruled by love. Do not, by what you eat, ruin a man for whom Christ died!
Romans 14:21
The right course is to abstain from meat or wine or, indeed, anything that is a stumbling-block to your Brother.
1 Corinthians 8:11-13
And so, through this knowledge of yours, the weak man is ruined-your Brother for whose sake Christ died!
1 Peter 2:9
But you are 'a chosen race, a royal priesthood, a consecrated nation, God's own People,' entrusted with the proclamation of the goodness of him who called you out of Darkness into his wonderful Light.