Roma 11:18

11:18 do not boast over the branches. But if you boast, remember that you do not support the root, but the root supports you.

Roma 13:8

Exhortation to Love Neighbors

13:8 Owe no one anything, except to love one another, for the one who loves his neighbor has fulfilled the law.

Roma 14:20

14:20 Do not destroy the work of God for the sake of food. For although all things are clean, ¹  it is wrong to cause anyone to stumble by what you eat.

[14:20]  ¹ sn Here clean refers to food being ceremonially clean.