Summary
This quote suggests that those who use sarcasm or contemptuous expressions, such as a sneer, as a means of attacking or belittling others, are actually displaying their own weakness. Instead of using logical arguments or respectful communication, they resort to demeaning tactics in order to assert dominance. It implies that individuals who rely on sneers are attempting to compensate for their lack of power or confidence, as they are unable to engage in respectful and constructive exchanges of ideas.