Knowledge of illegality is a relatively old topic.
它最早可以追溯到古羅馬法格言“不知法律不免責”。
It harks back to Roman law maxim "do not know law exemption".
但隨著社會發展和法律體系的日益完善，違法性認識的理論進入到人們的視線，司法實踐中更加豐富了它的內容。
But with the increasingly sophisticated social development and legal system, of illegal cognition theory into people's eyes, it is richer in content of judicial practice.
這使得國內外刑法理論界學說林立，眾說紛紜，我國刑法學界對之亦是存有不同見解。
This allows theoretical doctrine in criminal law at home and abroad everywhere, there, also there is different opinions of scholars on Chinese criminal law.
更進壹步了解並掌握違法性認識的內涵及故意犯罪之間的關系，將有助於人們更好地理解刑法學知識，運用違法性認識理論，解決好各種復雜的刑法學問題。
Better understanding and grasp the connotation of the knowledge of illegality and the relationship between intentional crimes, will help people better understand the criminal law knowledge, use of illegal cognition theory, solving the complex problems of criminal law.