Yes, it is possible to foster peaceful conditions that may eventually touch the heart of unbelieving family members.
(‏ عب ١٢ :‏ ١٤‏ )‏ أَجَلْ ،‏ مِنَ ٱلْمُمْكِنِ تَعْزِيزُ ٱلسَّلَامِ فِي ٱلْبَيْتِ ،‏ مَا قَدْ يَمَسُّ قُلُوبَ أَفْرَادِ ٱلْعَائِلَةِ غَيْرِ ٱلْمُؤْمِنِينَ .‏