Author Tony Schwartz says, “Energy, not time, is the fundamental currency of high performance. - Eric Barker

If you want to do well in school and you’re passionate about math, you need to stop working on it to make sure you get an A in history too. This generalist approach doesn’t lead to expertise. Yet eventually we almost all go on to careers in which one skill is highly rewarded and other skills aren’t that important. Ironically,

He once commented, “I suppose it can be said that I’m an absent-minded driver. It’s true that I’ve driven through a number of red lights on occasion, but on the other hand, I’ve stopped at a lot of green ones but never gotten credit for it.

We need optimism and confidence to keep going and convince others to join our cause, but negativity and pessimism help us see problems so we can make them better. Yes, the former feel much better, but both are necessary.