in your, his, etc. wisdom

in (one's) (infinite) wisdom

Used ironically when describing one's action or decision that the speaker thinks was particularly stupid or ill advised. The management, in their infinite wisdom, decided to cut employees' benefits while demanding that they work even longer hours.
See also: wisdom

in your, his, etc. (infinite) ˈwisdom

used when you are saying that you do not understand why somebody has done something: The government in its wisdom has decided to support the ban.
See also: wisdom