(At-twur) 52 : 31
قُلْ تَرَبَّصُوا فَإِنِّي مَعَكُمْ مِنَ الْمُتَرَبِّصِينَ

  You say: "You wait, then indeed, I am also waiting with you."

See explanation 32: 30; and 44: 59.