" Method to my madness "
Meaning:
Odd actions that appear meaningless but are done for a good reason.
Example:
Mixing cooking oil with the petrol might seem a little odd, but just wait, you'll see there's method in my madness.
Where did it originate?:
Britain, 17th century. From Shakespeare's Hamlet, as 'though this is madness, yet there is method in it'.
Where is it used?:
Hear the idiom spoken: