alat utk berfikir ialah otak..so??

that's the problem..
how to use it correctly and everything that we think is absolutely has no wrong..
when we think sth so complicated, it is not the answer
but then, when we take it for granted..it also not the answer..
so?? what should we do..
guess: think to think it 1 way or 2 ways first,then u start thinking... huh,tiring

why i cannot see the answer!!! it just in front of me!! fed up!!