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Unseen, will say, 'They were five and their dog was the sixth.' And yet others, 'Seven; their
dog was the eighth.' Say, 'My Lord knows best their number. Except for a few none know
their number.' Therefore, do not dispute with them except in outward disputation, and do
not ask any of them concerning them.

@Plan in the Name of Allah by saying InshaAllah, Allah willing 18:23-24
18:23 Do not say of anything, 'I will do it tomorrow,'

18:24 unless (you add) 'if Allah wills.' And remember your Lord when you forget and say,
'It may be that my Lord will guide me to something nearer to rectitude than this.'

18:25 And they stayed in the Cave three hundred years and to that they added nine more.
18:26 Say, 'None but Allah knows how long they stayed. To Him belong the Unseen in the
heavens and the earth. How well He sees, and how well He hears! They have no other
guardian, other than Him, and He allows no one (to share) His rule.'

@No one can change the Words of Allah 18:27

18:27 Recite what is revealed to you in the Book of your Lord. No one can change His