يَتَذَبْذَبُ بَيْنَ الْكُفْرِ وَالْإِيمَانِ وَالتَّصْدِيقِ وَالتَّكْذِيبِ
He vacillates between disbelief and faith, assent and denial.
Treating unsupported imagination as the standard for revealed truth breeds uncertainty. Sound faith combines dependable knowledge with acceptance of revelation.