He also wrote an ethical testament (Ẓawwa'ah, Frankfurt-on-the-Oder, n.d., often reprinted). It contains, besides some very charitable teachings, exhortations to strictness in ritual practise and in kabbalistic studies.
He also authored a moral testament (Ẓawwa'ah, Frankfurt-on-the-Oder, n.d., frequently reprinted), which contains not only some charitable teachings but also exhortations to strictness in ritual practice and Kabbalistic studies.