Quran 31:13 from Surah Luqman on Divine Marvels.
وَإِذۡ قَالَ لُقۡمَٰنُ لِٱبۡنِهِۦ وَهُوَ يَعِظُهُۥ يَٰبُنَيَّ لَا تُشۡرِكۡ بِٱللَّهِۖ إِنَّ ٱلشِّرۡكَ لَظُلۡمٌ عَظِيمٞ
English translation: And when said Luqman to his son while he (was) instructing him O my son! (Do) not associate partners with Allah Indeed associating partners (is) surely an injustice great
Transliteration: wa-idh qala luq'manu li-ib'nihi wahuwa ya'izuhu yabunayya la tush'rik bil-lahi inna al-shir'ka lazul'mun azimun