How wonderful was the life of Abdur-Rahman, known most commonly as Abu Hurairah.
The principles of Jurisprudence (Usul al-Fiqh) sets rules and regulations for the mujtahids in Sharia to understand the legal text.
ʿIlm al-Kalām is the methodological formulation of Islamic thought. Though it has evolved over time to its challenges, still shines in its original form.