first I tell our students that the brave man is the student who do not accept quarrelling .haw many innocent student were killed because they wanted to separate and avoid this bad custom.we are brothers and we should think about god and profit in these moments. even if you know that aggresor has no reasons.and god will be with peace.think about fire if you do injustice to your similar and think about fire if you decide to suicide.all problems in life are examination for us from god and we should pass .I was a student and was university student an sow similar things and many of these people are friends.Do not leave Satan to pocess you be strong and god with you..