15:99
وَاعْبُدْ رَبَّكَ حَتَّىٰ يَأْتِيَكَ الْيَقِينُ
Transliteration:
WaoAAbud rabbaka hatta ya/tiyaka alyaqeenu
Word by Word:
And worship your Lord until comes to you the certainty.
Translations:
and worship thy Sustainer till death comes to thee.
And serve thy Lord until there come unto thee the Hour that is Certain.
And serve thy Lord till the Inevitable cometh unto thee.
And serve thy Lord, until there comes to thee that which is certain.
And worship your Lord until there comes to you the certainty (death).