Was it you that said, "How long, how long, how long
To the Point of Know Return?"
— Kansas, "Point of Know Return"
"The bridge is crossed, so stand and watch it burn!
We've passed the Point of No Return..."
— The Phantom and Christine, "Point of No Return", The Phantom of the Opera
I'd wrap up any other business before we go. It's already a mess - and could get worse.
—Aveline, Dragon Age II
Beyond a certain point, no return is possible. That is the point that is to be reached.