there is (a) method in (one's) madness

there is (a) method in (one's) madness

There is a specific, rational purpose in what one is doing or planning, even though it may seem crazy or absurd to another person. I know you don't understand my motivation for this decision, but after the dust settles you'll see that there is a method in my madness. You may have method in your madness, but these radical changes to the business could still prove catastrophic.
See also: madness, method, there
Farlex Dictionary of Idioms.

there is method in someone's madness

If you say there is method in someone's madness, you mean that although what they do seems strange, they have a good reason for doing it. Of course, there's method in her madness because an empty fridge means I have to take her out to dinner. Note: People also say there is method in the madness. This sounds like pointless technology, but there is method in the madness.
See also: madness, method, there
Collins COBUILD Idioms Dictionary, 3rd ed.

there is method in someone's madness

there is a sensible foundation for what appears to be foolish or strange behaviour.
This expression comes from the scene in Hamlet in which Hamlet feigns madness, causing Polonius to remark: ‘Though this be madness, yet there is method in't’.
See also: madness, method, there
Farlex Partner Idioms Dictionary

there’s ˌmethod in somebody’s ˈmadness

there is a reason for your behaviour and it is not as strange or as stupid as it seems: ‘Why do you always read your newspaper backwards?’ ‘Ah, there’s method in my madness — the back pages are where the sport is.’This comes from Shakespeare’s play Hamlet: ‘Though this be madness, yet there is method in’t (= in it).’
See also: madness, method
Farlex Partner Idioms Dictionary
See also:
  • have (a) method in (one's) madness
  • have (a) method to (one's) madness
  • there is (a) method to (one's) madness
  • there is method in someone's madness
  • there's method in somebody's madness
  • (a) method in (one's) madness
  • (a) method to (one's) madness
  • method
  • method in one's madness
  • method to one's madness