if wishes were horses, beggars would ride
English
Proverb
if
wishes
were
horses
,
beggars
would
ride
A response to someone wishing for something, conveying that merely wishing for something has no effect or is of no use.
See also
if ifs and buts were candy and nuts, we'd all have a merry Christmas
if my aunt had balls, she'd be my uncle
ifs and ans