The direct quotation can be translated as an indirect quotation. Alternate translation: "I said that laughter is crazy" (See: [[rc://en/ta/man/jit/figs-quotations]])
# laughter
If your language has a special word for laughter about meaningless things, you might want to use it here.
The author uses a rhetorical question to emphasize that pleasure is useless. Alternate translation: "It is useless." (See: [[rc://en/ta/man/jit/figs-rquestion]])