“Be careful what you ask for, you just might get it”
“Be careful what you wish for cause you just might get it.”
“Watch what you ask for you just might get it.”
“C Daughtry-"be careful what you wish for, you just might get it all.”
“Be careful what you ask of Heaven; it might be granted.”
“If you ask for something you might get something - if you ask for nothing you will get nothing.”