18:23

Al-Kahf 18:23

وَلَا تَقُولَنَّ لِشَا۟ىْءٍ إِنِّى فَاعِلٌۭ ذَٰلِكَ غَدًا

Wa laa taqoolanna lishai'in innee faa'ilun zaalika ghadaa

Nor say of anything, "I shall be sure to do so and so tomorrow"-