Treasury of Scripture Knowledge
And that because of the false brothers let in secretly, who came searching out our free condition which we have in Christ Jesus, so that they might make servants of us;
But now that you have come to have knowledge of God, or more truly, God has knowledge of you, how is it that you go back again to the poor and feeble first things, desiring to be servants to them again?
But I, brothers, if I am still preaching circumcision, why am I still attacked? then has the shame of the cross been taken away.
And if because of food your brother is troubled, then you are no longer going on in the way of love. Do not let your food be destruction to him for whom Christ went into death.
1 Corinthians 8:11
And so, through your knowledge, you are the cause of destruction to your brother, for whom Christ underwent death.