Quran 26:194

عَلَىٰ قَلۡبِكَ لِتَكُونَ مِنَ ٱلۡمُنذِرِينَ

'Alaa qalbika litakoona minal munzireen

English Translation

Upon your heart, [O Muhammad] - that you may be of the warners

— Saheeh International