Authors deplete their soul when the marginal contribution of a new book is smaller than that of the previous one. - Nassim Nicholas Taleb

you cannot separate knowledge from contact with the ground. Actually, you cannot separate anything from contact with the ground. And the contact with the real world is done via skin in the game — having an exposure to the real world, and paying a price for its consequences,

Academia is to knowledge what prostitution is to love; close enough on the surface but, to the non-sucker, not exactly the same thing.

For social mobility to work, it needs to be a two-way highway, with a large number of pre-rich and an almost as large one of post-rich.