
In Indonesia, legal certainty is still becoming the main concern of the judges as the law enforcers. Actually, the purpose of law is not merely on legal certainty but also how to reach justice and usefulness for the justice seekers. This article analyses the legal issues on the relevance of the dynamics of thoughts by Karl Popper and Satjipto Rahardjo in the context of law enforcement in Indonesia’s judiciary practice and the development model of Indonesian judiciary practice based on Karl Popper’s theory and Satjipto Rahardjo’s progressivity of meaning. This article employs normative legal research. The results show that the dynamics of Karl Popper's thought and Satjipto Rahardjo's progressive legal concept are relevant to law enforcement in Indonesia’s judiciary practice as well as for the future of judiciary practice in Indonesia, a holistic pre-understanding of law and legal theory as one layer of law for law enforcement is urgently needed.