ALBUS
But why? But what? But who are you?

DELPHI
Albus. I am the new past.

She pulls ALBUS’s wand from him and snaps it.

I am the new future.

She pulls SCORPIUS’s wand from him and snaps it.

I am the answer this world has been looking for.

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