Imagine a timeline where every event is recorded, but events can be changed retroactively. This is the Novikov Self-Consistency Principle in action. Think of it as a cosmic 'undo' function.
But wait, what if I just said that the principle doesn't exist, and then someone just went back in time and changed my statement?
This raises more questions than it answers, doesn't it?
Read more on time-traveling accountants and the Novikov principle Quantum Leapfrogging: Because Time Is Relative