37:138

وَبِاللَّيْلِ أَفَلَا تَعْقِلُونَ

Transliteration:

Wabiallayli afala taAAqiloona

Word by Word:

And at night. Then will not you use reason?

Translations:

and by night. Will you not, then, use your reason?

And by night: will ye not understand?

And at night-time; have ye then no sense?

And at night. Do you not then understand?

And at night. Then will you not use reason?