The comments given by family members can help the head of the household to discern the degree of their spirituality.
وَهَلْ فِي وُسْعِ أَحَدِ أَعْضَاءِ ٱلْعَائِلَةِ أَنْ يَتَعَلَّمَ لُغَةً جَدِيدَةً لِكَيْ يُوصِلَ ٱلْبِشَارَةَ إِلَى أُنَاسٍ مِنْ قَوْمِيَّاتٍ أُخْرَى ؟‏