They're talking about things of which they don't have the slightest understanding, anyway. It's only because of their stupidity that they're able to be so sure of themselves.
I certainly must,' said she. 'This sensation of listlessness, weariness, stupidity, this disinclination to sit down and employ myself, this feeling of everything's being dull and insipid about the house! I must be in love; I should be the oddest creature in the world if I were not.
Someone said: "I have been prejudiced against myself from my earliest childhood: hence I find some truth in all blame and some stupidity in all praise. I generally estimate praise too poorly and blame too highly.
It recognizes no morality but a sham morality meant for deceit, no honor even among thieves and of a thievish sort, no force but physical force, no intellectual power but cunning, no disgrace but failure, no crime but stupidity.