Why are hadith necessary for understanding and correctly applying the Quran?

The Quran lays out core beliefs, values, and many general commands, but it rarely spells out step-by-step procedures. It commands prayer, for instance, without detailing how many units to pray or their exact movements; it commands charity without fixing every rate; it praises the Prophet's character without describing his specific words and actions in various daily situations. The Quran itself explains why: Allah sent the Prophet precisely to demonstrate and clarify the revelation in practice, 'We revealed to you the message that you may make clear to the people what was sent down to them.' Hadith preserve exactly that demonstration, the Prophet's explanations, his personal example, and his rulings on situations that arose during his lifetime, filling in the practical detail the Quran assumes readers will learn from him directly. This is also why the Quran repeatedly pairs obedience to Allah with obedience to the Messenger, treating the Prophet's guidance as inseparable from correctly understanding revelation itself. Without hadith, many Quranic commands would remain accurate in principle but genuinely impossible to practice with any shared, consistent detail.

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