Or something that’s very obvious to be self-evidently true. But, he might have thought of the complaint as so typical it has become a saying, and a truism by a

Or something that’s very obvious to be self-evidently true. But, he might have thought of the complaint as so typical it has become a saying, and a truism by argumentum ad populum, but in his eyes false. Besides, most truisms are true only until they are not (a truism example). The Sun is hot. One day it won’t even be (exist).