Final answer:
The boni viri were men of good standing in ancient Rome, whose roles are somewhat akin to jurors or arbiters in today's legal systems. Their decisions were influenced by their virtus, which translates to judicial impartiality and integrity in modern courts, embodying the qualifications and ethical behavior expected of judges.
Step-by-step explanation:
The boni viri were distinguished men of good social standing in ancient Rome whose roles resembled jurors or arbiters in modern legal systems. They were tasked with making decisions in various legal proceedings, and their effectiveness and the public's reception of their decisions were influenced by their virtus, or moral integrity and courage.
In modern legal systems, especially those influenced by Roman law, the concept of virtus has transformed into the requirement of judicial impartiality and integrity. This is essential in ensuring fair trials and maintaining public trust in the legal system.