Great occasions do not make heroes or cowards; they simply unveil them to the eyes of men. Silently and imperceptibly, as we wake or sleep, we grow strong or weak; and at last some crisis shows what we have become.
Brooke Foss Westcott
Your vote on this answer has already been received
Sounds good,, but - in my ignorant opinion - people do crazy things in crisis, which we would never do.. and things which are done in impulse are neither heroic not demonising.. but happens to be names such :D