Sometimes you have to resist working on your strengths in favour of your weaknesses. The decathlon requires a wide range of skills.
A textbook requires a consistent sense of style and a linear structure, hallmarks of a single authorial presence. An encyclopedia doesn’t.
For most people, attaining the intellectual clarity and emotional detachment that investing requires is tough.
A living cell requires energy not only for all its functions, but also for the maintenance of its structure.
We must think differently, look at things in a different way. Peace requires a world of new concepts, new definitions.
As you say, the way string theory requires all these extra dimensions and this comes from certain consistency requirements about how string should behave and so on.
I like a grizzly look as long as it’s maintained. Facial hair requires maintenance; you can’t just grow it out and be done with it.