"SECTION: 10
Remember, We took a covenant (firm commitment) from the children of Israel: "You
shall worship none but Allah; be good to your parents, relatives, orphans and
destitute, speak fair to the people, establish 'Salah', and pay 'Zakah.'" But you broke
the covenant, except a few of you, and you paid no heed.[83] 2:[83]
Also remember another covenant which We took from you: That you shall not shed
blood among yourselves and you shall not expel your own people from your homes;
you confirmed it and you are witness to it.[84] Yet there you are, killing your own
people, expelling a group amongst you from their homes, backing each other with sin
and aggression; and if they come to you as captives, you trade them for ransoms
whereas their expulsion was unlawful for you to begin with. Do you believe in a part
of your Holy Book and reject the rest? So what other punishment do such people
among you, who behave like this, deserve, than disgrace in this world and to be
driven to grievous punishment on the Day of Judgment? Allah is not unaware of what
you do.[85] Such are the people who trade the life of this world at the expense of the
Hereafter; so neither their punishment shall be lightened nor shall they be helped.[86]"

Interesting expression used in the Qur'an, by these words, i almost feal that they are a reference to the conflicts amongst men and this should be read really carefull by extremists, i would say that God/Allah is warning about being a deadly sin to kill and warning that his word isn't ambiguous and that it's not enough to seam pure, you must be pure, when compared to other humans, just preying, going to the church/sinagoge/mosque frequently wont be enough for someone to be considered worthy of God/Allah's love, you need to act like that and don't judge others because God/Allah will judge us all the same way, just that we mortals can't hide anything from him.

Only God Can Judge Me
الله فقط يمكنه محاكمتي

I am you and you are me, if you love i love, if you suffer i suffer
أنا أنت, و أنت أنا, إذا أحببت نفسك أحببت نفسي, إذا عانيتَ عانيتُ