لَا إِلَهَ إِلَّا اللهُ، إِنَّ للمَوْتِ سَكَرَاتٍ

None has the right to be worshiped except Allāh, death does indeed contain agony.

Reference: None has the right to be worshiped except Allāh, death does indeed contain agony. Al-Bukhārī (#4449, 8/144).