The word(s) "long" appears 155 time(s) in 149 verse(s) in Quran in Abdullah Yusuf Ali translation.

(51) To Him belongs whatever is in the heavens and on earth, and to Him is duty due always: then will ye fear other than Allah?

(52) To Allah belongeth the Mystery of the heavens and the earth. And the Decision of the Hour (of Judgment) is as the twingkling of an eye, or even quicker: for Allah hath power over all things.

(53) Say: "Call upon Allah, or call upon Rahman: by whatever name ye call upon Him, (it is well): for to Him belong the Most Beautiful Names. Neither speak thy Prayer aloud, nor speak it in a low tone, but seek a middle course between."

(54) Such (being their state), we raised them up (from sleep), that they might question each other. Said one of them, "How long have ye stayed (here)?" They said, "We have stayed (perhaps) a day, or part of a day." (At length) they (all) said, "Allah (alone) knows best how long ye have stayed here.... Now send ye then one of you with this money of yours to the town: let him find out which is the best food (to be had) and bring some to you, that (ye may) satisfy your hunger therewith: And let him behave with care and courtesy, and let him not inform any one about you.

(55) Say: "Allah knows best how long they stayed: with Him is (the knowledge of) the secrets of the heavens and the earth: how clearly He sees, how finely He hears (everything)! They have no protector other than Him; nor does He share His Command with any person whatsoever.

(56) "As for the boat, it belonged to certain men in dire want: they plied on the water: I but wished to render it unserviceable, for there was after them a certain king who seized on every boat by force.

(57) "As for the wall, it belonged to two youths, orphans, in the Town; there was, beneath it, a buried treasure, to which they were entitled: their father had been a righteous man: So thy Lord desired that they should attain their age of full strength and get out their treasure - a mercy (and favour) from thy Lord. I did it not of my own accord. Such is the interpretation of (those things) over which thou wast unable to hold patience."

(58) "And He hath made me blessed wheresoever I be, and hath enjoined on me Prayer and Charity as long as I live;

(59) (The father) replied: "Dost thou hate my gods, O Abraham? If thou forbear not, I will indeed stone thee: Now get away from me for a good long while!"

(60) (The angels say:) "We descend not but by command of thy Lord: to Him belongeth what is before us and what is behind us, and what is between: and thy Lord never doth forget,-