Question 37 — Discord

We must now consider the sins contrary to peace. And first, concerning discord, which is in the heart; second, contention, which is in speech; third, those things which pertain to deeds, that is, schism, strife, and war. Under the first head there are two points of inquiry:

(1) Whether discord is a sin?

• (2) Whether it is a daughter of vainglory?