The word(s) "by" appears 593 time(s) in 514 verse(s) in Quran in Abdullah Yusuf Ali translation.

(321) In that situation were the Believers tried: they were shaken as by a tremendous shaking.

(322) It is not fitting for a Believer, man or woman, when a matter has been decided by Allah and His Messenger to have any option about their decision: if any one disobeys Allah and His Messenger, he is indeed on a clearly wrong Path.

(323) And as one who invites to Allah's (grace) by His leave, and as a lamp spreading light.

(324) The Unbelievers say, "Never to us will come the Hour": Say, "Nay! but most surely, by my Lord, it will come upon you;- by Him Who knows the unseen,- from Whom is not hidden the least little atom in the heavens or on earth: Nor is there anything less than that, or greater, but is in the Record Perspicuous:

(325) And to Solomon (We made) the Wind (obedient): Its early morning (stride) was a month's (journey), and its evening (stride) was a month's (journey); and We made a Font of molten brass to flow for him; and there were Jinns that worked in front of him, by the leave of his Lord, and if any of them turned aside from our command, We made him taste of the Penalty of the Blazing Fire.

(326) There was, for Saba, aforetime, a Sign in their home-land - two Gardens to the right and to the left. "Eat of the Sustenance (provided) by your Lord, and be grateful to Him: a territory fair and happy, and a Lord Oft-Forgiving!

(327) Between them and the Cities on which We had poured our blessings, We had placed Cities in prominent positions, and between them We had appointed stages of journey in due proportion: "Travel therein, secure, by night and by day."

(328) Say: "Show me those whom ye have joined with Him as partners: by no means (can ye). Nay, He is Allah, the Exalted in Power, the Wise."

(329) Those who had been despised will say to the arrogant ones: "Nay! it was a plot (of yours) by day and by night: Behold! Ye (constantly) ordered us to be ungrateful to Allah and to attribute equals to Him!" They will declare (their) repentance when they see the Penalty: We shall put yokes on the necks of the Unbelievers: It would only be a requital for their (ill) Deeds.

(330) Nor can a bearer of burdens bear another's burdens if one heavily laden should call another to (bear) his load. Not the least portion of it can be carried (by the other). Even though he be nearly related. Thou canst but admonish such as fear their Lord unseen and establish regular Prayer. And whoever purifies himself does so for the benefit of his own soul; and the destination (of all) is to Allah.