73:17

فَكَيْفَ تَتَّقُونَ إِن كَفَرْتُمْ يَوْمًا يَجْعَلُ الْوِلْدَانَ شِيبًا

Transliteration:

Fakayfa tattaqoona in kafartum yawman yajAAalu alwildana sheeban

Word by Word:

Then how will you guard yourselves, if you disbelieve, a Day (that) will make the children gray-haired?

Translations:

How, then, if you refuse to acknowledge the truth, will you protect yourselves on that Day which shall turn the hair of children grey,

Then how shall ye, if ye deny (God), guard yourselves against a Day that will make children hoary-headed?-

Then how, if ye disbelieve, will ye protect yourselves upon the day which will turn children grey,

How, then, if you disbelieve, will you guard yourselves on the day which will make children grey-headed?

Then how can you fear, if you disbelieve, a Day that will make the children white- haired?