The word(s) "alone" appears 44 time(s) in 41 verse(s) in Quran in Abdullah Yusuf Ali translation.

(21) 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.

(22) To Us shall return all that he talks of and he shall appear before Us bare and alone.

(23) Allah has promised, to those among you who believe and work righteous deeds, that He will, of a surety, grant them in the land, inheritance (of power), as He granted it to those before them; that He will establish in authority their religion - the one which He has chosen for them; and that He will change (their state), after the fear in which they (lived), to one of security and peace: 'They will worship Me (alone) and not associate aught with Me. 'If any do reject Faith after this, they are rebellious and wicked.

(24) And from each people shall We draw a witness, and We shall say: "Produce your Proof": then shall they know that the Truth is in Allah (alone), and the (lies) which they invented will leave them in lurch.

(25) Do men think that they will be left alone on saying, "We believe", and that they will not be tested?

(26) O My servants who believe! truly, spacious is My Earth: therefore serve ye Me - (and Me alone)!

(27) Verily the knowledge of the Hour is with Allah (alone). It is He Who sends down rain, and He Who knows what is in the wombs. Nor does any one know what it is that he will earn on the morrow: Nor does any one know in what land he is to die. Verily with Allah is full knowledge and He is acquainted (with all things).

(28) Men ask thee concerning the Hour: Say, "The knowledge thereof is with Allah (alone)": and what will make thee understand?- perchance the Hour is nigh!

(29) And Allah will judge with (justice and) Truth: but those whom (men) invoke besides Him, will not (be in a position) to judge at all. Verily it is Allah (alone) Who hears and sees (all things).

(30) So leave them alone until they encounter that Day of theirs, wherein they shall (perforce) swoon (with terror),-