It’s hot out. Be glad that you’re a human being, and not some other kind of mammal.
Critics laughed, and he removed it from later editions of his book, but Charles Darwin privately continued to believe that whales evolved from a “race of bears.”
We’re constantly told that the design of the human larynx, trachea, and oral cavity is poor because it allows for choking on food.
In contrast with apes, it’s a tougher sell to say that dogs share an ability to communicate with us because of being close evolutionary cousins.
Lents studies rotting corpses and household plants. He might not know much about (living) human physiology.