PROFESSOR McGONAGALL
If I could also give a detention to you, Minister, I would. Keeping hold of a Time-Turner, of all the stupid things!

HERMIONE
In my defence—

PROFESSOR McGONAGALL
And in a bookcase. You kept it in a bookcase. It’s almost laughable.

HERMIONE
Minerva. (There is an intake of breath.) Professor McGonagall—

PROFESSOR McGONAGALL
Your children didn’t exist!

Harry Potter and the Cursed Child - Chapter 3 :
See this quote in the Pensive -