These reasonings are unconnected: “I am richer than you, therefore I am better”; “I am more eloquent than you, therefore I am better.” The connection is rather this: “I am richer than you, therefore my property is greater than yours;” “I am more eloquent than you, therefore my style is better than yours.” But you, after all, are neither property nor style.
If you do not consider that possible, I suggest you suspend disbelief. Try it out for yourself.
As I already linked Epictetus: