The Mosaic Law required that the Israelites stay separate from other nations, but the viewpoint had developed that all non - Jews were enemies, to be hated as individuals.
قَالَ يَسُوعُ لِسَامِعِيهِ فِي مَوْعِظَتِهِ ٱلشَّهِيرَةِ عَلَى ٱلْجَبَلِ أَنْ يُحِبُّوا أَعْدَاءَهُمْ وَيُصَلُّوا لِأَجْلِ ٱلَّذِينَ يَضْطَهِدُونَهُمْ .‏