I have seen the face of a coward and found it loathsome. –Audie Murphy

"Having more than one armed person at the scene who is not a member of law enforcement can create confusion and carry dire risks." -NYT

Why yes, that's why we call them heroes.

Cowards do not say, "I am a coward." They say, "The thing which you call evil is just misunderstood. It's mental illness, it's a bad childhood, it's just another world view. So we shouldn't riskily (and unjustly!) fight so-called evil; rather it deserves our sympathy."