This paper covers issues related to the problem of decision noise in the judicial application of the law. The considerations contained therein mainly concern the threats related to the variety of penalties imposed and the search for ways to reduce the risk of arbitrary decisions. This paper also presents the difficulties that may arise in the case of an attempt to reconcile the uniformity of the application of the law and discretion in the discretionary power of the judge. In addition, the author proposed ways to improve human judgments, rejecting the possibility of replacing them by artificial intelligence.