Matthew 18:6-7
but whoever offends one of these little ones that believe in me, it would be better for him that a millstone should be hung to his neck, and that he should be plunged into the depths of the sea.
Romans 14:15
For if your brother is grieved by your food, you no longer walk in love. Destroy not with your food him for whom Christ died.
Romans 14:21
it is good not to eat meat nor drink wine, nor [do] any thing by which your brother stumbles.
1 Corinthians 8:11-13
And will not the weak brother for whom Christ died perish by your knowledge?
1 Peter 2:9
But you are an elect race, a royal priesthood, a holy nation, a peculiar people, that you should declare the virtues of him who called you out of darkness into his glorious light;