The article discusses the debate in the German and Anglo-American Neo-Kantianism, enduring, around the ethical theories of Ernst Cassirer. Unlike their teachers in Marburg school Cohen and Natorp that defined ethics as an important part of a philosophical system, the philosopher did not write any work on ethics. In the article there are parallels between the ethics of the Cohen and ethics of Natorp. Cassirer refers to the ethics of Kant not only for the purpose of disclosing the specifics of their own genetic approach and critical method, but also tries to reconstruct the underlying concepts - the concept of autonomy and the concept of freedom, individual personality, which became the starting points in the system of ethical idealism. The b...