If this meant everything as some suppose, then everyone would have the same problem as the rich young ruler, wouldn't they?
They wouldn't have everything, everything would have them.
Mar 11:24 Therefore I say unto you,
What things soever ye desire, when ye pray, believe that ye receive them, and ye shall have them.
Mar 11:24 ThereforeG1223 G5124 I sayG3004 unto you,G5213
What things soever G3956 G3745 G302 ye desire,G154 when ye pray,G4336 believeG4100 thatG3754 ye receiveG2983 them, andG2532 yeG5213 shall haveG2071 them.
πᾶς
pas
pas
Including all the forms of declension; apparently a primary word; all, any, every, the whole: - all (manner of, means) alway (-s), any (one), X daily, + ever, every (one, way), as many as, + no (-thing), X throughly, whatsoever, whole, whosoever.
LXX related word(s)
H3605 kol
H3617 kalah
H3632 kalil
H3632 kalil
H7706 shaddai
H8548 tamid
H8548 tamid
G3745
ὅσος
hosos
hos'-os
By reduplication from G3739; as (much, great, long, etc.) as: - all (that), as (long, many, much) (as), how great (many, much), [in-] asmuch as, so many as, that (ever), the more, those things, what (great, -soever), wheresoever, wherewithsoever, which, X while, who (-soever).
G302
ἄν
an
an
A primary particle, denoting a supposition, wish, possibility or uncertainty: - [what-, where-, whither-, who-]soever. Usually unexpressed except by the subjunctive or potential mood. Also contraction for G1437.
G154
αἰτέω
aiteō
ahee-teh'-o
Of uncertain derivation; to ask (in generally): - ask, beg,
call for, crave, desire, require. Compare G4441.
What soever things you desire, means just that.
God did not make a mistake, nor was lying or trying to say something like, "if it is my will for you to have it, THEN you can have it.