Only humans are conscious of having a spiritual need and feel the desire to satisfy it.
فَهُمُ ٱلْوَحِيدُونَ ٱلَّذِينَ يُدْرِكُونَ أَنَّ لَدَيْهِمْ حَاجَةً رُوحِيَّةً وَيَشْعُرُونَ بِرَغْبَةٍ فِي سَدِّ هذِهِ ٱلْحَاجَةِ .‏