AIfFIKR, Journal ofArabic and Islarnic Studies Volurn e 23 124, 20t0 lZ01 1 LJniversity oflbadan Abdul Kabir Hussain Solihu/ AL-FIKR. Vol. 23/21, 12()10/ 20111 97_I 14 The Quest for the Unknown: On al-Ghazell's Critical Thinking and Epistemology in Islamic Tradition Abdul Kabir Flussain Solihu Intemational Islamic University Malaysia, Kuala Lum