As one of the leading rabbinic authorities of his day, Kluger issued rulings on many complex halachic questions.
[4][5] Kluger, in the course of his research into the subject, came to the conclusion that he had received a somewhat inaccurate description of the technical operational details of the machines, and modified his position accordingly.
In his responsa, Kluger discusses an incident where a group gathered to study the controversial works of Moses Mendelssohn.
Kluger wrote that while the burning of the books was probably not the appropriate course of action, they were certainly correct to be enraged and to protest the study of Mendelssohn's work.
[6] During his long life Rabbi Kluger wrote a great number of works—one hundred and sixty volumes.