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"And that makes a huge difference. It really builds on that way. So I can see how like, just like math, if you are stuck in, stuck at a certain point and you didn't get comfortable with some of the material, how much harder it can get years in, years continued, or how much exponentially easier it can get if you've learned it really well, how much faster you go than your peers. I'm now starting to see like why that is in science."