If you know like the three most important ideas in physics, that's a lot of important stuff to know. The next one's 0.01% is 2,500x. So it's still like the mission about draw return, right? You first are going to learn the most important thing,. If you can find it, well, that also raises the question of how do you even know what's important? Do you want to just go into that a little bit? Yeah, okay. All right. It's really important to find the most important, like 1% of stuff that's going to give you 50% of the information, right? How do you find it? Okay.