There is little difference between sacrifice and work. They are also both uniquely human. Sometimes, animals act as if they are working, but they are really only following the dictates of their nature. Beavers build dams. They do so because they are beavers, and beavers build dams. They don't think, "Yeah, but I'd rather be on a beach in Mexico with my girlfriend," while they're doing it.

What It Means

This is a placeholder explanation generated by the low-overhead model. It interprets "There is little difference between sacrifice and work. They are also both uniquely human. Sometimes, animals act as if they are working, but they are really only following the dictates of their nature. Beavers build dams. They do so because they are beavers, and beavers build dams. They don't think, "Yeah, but I'd rather be on a beach in Mexico with my girlfriend," while they're doing it." in the context of "p. 164" to mean that wisdom is timeless.