Quran 6:135

قُلۡ يَـٰقَوۡمِ ٱعۡمَلُواْ عَلَىٰ مَكَانَتِڪُمۡ إِنِّى عَامِلٌ۬‌ۖ فَسَوۡفَ تَعۡلَمُونَ مَن تَكُونُ لَهُ ۥ عَـٰقِبَةُ ٱلدَّارِ‌ۗ إِنَّهُ ۥ لَا يُفۡلِحُ ٱلظَّـٰلِمُونَ ١٣٥

Say, "O my people, do your best, and so will I. You will surely find out who the ultimate victors are." Certainly, the wicked will never succeed.