It will bring to mind Bible principles that we have already learned and help us to grasp how they apply in directing our next step.
ذَاكَ سَيُعَلِّمُكُمْ كُلَّ شَيْءٍ وَيُذَكِّرُكُمْ بِكُلِّ مَا قُلْتُهُ لَكُمْ » .‏