Complex sentence: He attended the "Hasharat Zvi" school in Halberstadt, and, from age seventeen, the Yeshiva of Rabbi Jacob Ettlinger in Altona; "Chacham" Isaac Bernays was one of his teachers and his model as a preacher.
Split into simpler sentences: He attended the "Hasharat Zwi" school in Halberstadt, and, from age seventeen, the Yeshiva of Rabbi Jacob Ettlinger in Altona. The "Chacham" Isaac Bernays was one of his teachers and his model as a preacher.