Fundamental co-founder @nicochristie on why limiting yourself to what you already understand is one of the biggest career mistakes you can make: "Humans are still verification bottlenecked. I feel kind of strongly that you should not let your own understanding limit you from doing things. You kind of have to separate understanding from doing." "I was doing all of this unbelievably fast Excel work, and I know Excel, but I hadn't built an LBO professionally. I actually didn't have the time nor…