This is not credulity; it is trust. It reflects heartfelt confidence that Jehovah knows what is good for us.
وَهذِهِ لَيْسَتْ سَذَاجَةً ،‏ بَلْ ثِقَةٌ تَعْكِسُ ٱتِّكَالَنَا عَلَى يَهْوَه وَٱقْتِنَاعَنَا ٱلْقَلْبِيَّ بِأَنَّهُ يَعْرِفُ مَا هُوَ لِخَيْرِنَا .‏