When you think about it like that, there's an insanely higher (but still ultimately miniscule) chance that only some part of you will make it through the wall and then just leave you stuck there.
When I was a kid I was convinced that I could do it if I honed my mind sharp enough, and mastered my body. I'm still not convinced that it's impossible, because I didn't have the discipline to achieve perfection.
Anyone who - upon learning they are made of atoms - does not try to align them with another object so they may pass through it, lacks a scientific mind.