Az Zumar, 65 Ayah
39:65
وَلَقَدۡ أُوحِيَ إِلَيۡكَ وَإِلَى ٱلَّذِينَ مِن قَبۡلِكَ لَئِنۡ أَشۡرَكۡتَ لَيَحۡبَطَنَّ عَمَلُكَ وَلَتَكُونَنَّ مِنَ ٱلۡخَٰسِرِينَ ٦٥
Wa Laqad 'Ūĥiya 'Ilayka Wa 'Ilá Al-Ladhīna Min Qablika La'in 'Ashrakta Layaĥbaţanna `Amaluka Wa Latakūnanna Mina Al-Khāsirīna
And it was already revealed to you and to those before you that if you should associate [anything] with Allah, your work would surely become worthless, and you would surely be among the losers."