Quotes: Point of No Return

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.

Careful. This is the last haven you’ll find here. Beyond, there is no light to protect you.
Disembodied voice, Kingdom Hearts