HARRY
Albus didn’t like me before. He might not like me again. But he will be safe. With the greatest respect, Minerva – you don’t have children—

GINNY
Harry!

HARRY
—you don’t understand.

PROFESSOR McGONAGALL (deeply hurt)
I’d hope that a lifetime spent in the teaching profession would mean—

Harry Potter and the Cursed Child - Chapter 2 :
See this quote in the Pensive -