God works in mysterious ways
Expressing confidence that a conundrum has a solution despite it not being apparent.
adj
Of unknown origin.
He received a mysterious phone call this morning.
Having unknown qualities.
Our boss is a mysterious man who hardly ever meets with us.
God moves in a myſterious way, / His wonders to perform; / He plants his footſteps in the ſea, / And rides upon the ſtorm.
Difficult to understand.
Why he left without saying goodbye is quite mysterious.
Deliberately evasive or enigmatic.
Stop being mysterious and just tell me what you want.