Translation of the verse 50 from Surah Al-Qamar : Number of verses 55 - - page 531 - Part 27.
And Our Commandment is but one, as the twinkling of an eye.
And Our command is but one, like a glance of the eye.
(54:50) Our command consists of only one Word which is carried out in the twinkling of an eye. *26
*26) That is, 'We shall not have to make any lengthy preparations for bringing about Resurrection, nor will it take long to come. For no sooner will a Command be issued forth from Us than it will take place in the twinkling of an eve. "
Source : Al-Qamar Verse 50: And Our command is but one, like a glance of the eye.