18:23

وَلَا تَقُولَنَّ لِشَيْءٍ إِنِّي فَاعِلٌ ذَٰلِكَ غَدًا

Transliteration:

Wala taqoolanna lishay-in innee faAAilun thalika ghadan

Word by Word:

And (do) not say of anything, "Indeed, I will do that tomorrow."

Translations:

AND NEVER say about anything, "Behold, I shall do this tomorrow,"

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

And say not of anything: Lo! I shall do that tomorrow,

And say not of anything: I will do that to-morrow,

And never say of anything, "Indeed, I will do that tomorrow,"