The Apostle of Allaah ( sal Allaahu alayhi wa sallam ) said : Allaah, the Exalted, does not accept the prayer of any of you when you are defiled until you performed ablution. (Using translation from Abū Dāʾūd 60)
وَقَالَ رَسُولُ اللهِ ﷺ لَا يَقْبَلُ اللهُ صَلَاةَ أَحَدِكُمْ إِذَاأَحْدَثَ حَتَّى يَتَوَضَّأَ