The type of sentence given above is an example of a compound sentence. A compound sentence consists of two independent clauses. These independent clauses can either be separated by a comma and coordinating conjunction or a semicolon. The independent clauses above are separated by a semicolon. The independent clauses are, Pride is a powerful factor in an individual's behavior and it can also be the downfall of that individual.
I believe what he meant was that his belief in god was dead and that god to him was dead. Just like how many Jews were dying so was their hopes and beliefs due to their circumstances they were facing at the time.