Why maybe and maybe not doesn’t work…

Because it’s like this:

that we henceforth be no longer children, tossed to and fro and carried about with every wind of doctrine by the sleight of men and their cunning and craftiness, whereby they lie in wait to deceive;

Rather:

But let your communication be, Yea, yea; Nay, nay: for whatsoever is more than these cometh of evil.