I think the dominant irony presented in the passage would be :
The Houyhnhnms. the most rational beings on earth, are discussing the extermination of an entire group of creatures.
You can see that in this sentence, the second part of the statement contradict the statement on the first part.
<span>“You’re buying sorrow that
can’t talk” means that the seller is experiencing hardships and that selling
his possessions is similar to selling his life. </span>
<span>
</span>
<span>In the book’s context, it
depicts the bitterness of the farmers towards the people who are purchasing his
possessions at such a cheap price – lower than how much he had bought them for –
in a time when the people should have been showing their support to each other.</span>
The magician having fun scaring audiences with his tricks.
For example:put up with is to tolerate something or someone's behaviour or character
It’s probably backstory , the key word in this is “years ago” questions like this are usually backstory because of past tense words