that way madness lies
Meaning
that way madness lies
(hyperbolic) The mentioned activity will cause frustration, anger, etc.
Examples
O that way madness lies.
I try not to read the social networks too much. I find that way madness lies.
When you are developing something, you have to look at it individually. You can't compare and contrast it to the projects around it, because that way madness lies.
I never ever Google myself. That way madness lies.