READ: Deuteronomy 16: 18-20
The proverbs of Solomon the son of David, king of Israel; To know wisdom and instruction; to perceive the words of understanding; to receive the instruction of wisdom, justice, and judgment, and equity; :- Proverbs 1:1-3
Judgment and justice are things that must be studied, understood and learnt. Without studying the Word, you will not understand how to implement judgment and justice as a leader.
The proverbs of Solomon administer knowledge, understanding and wisdom. This knowledge, wisdom and understanding are what will help you to form wise judgments.
There are many law schools in the world. What do they study? They study the laws of the land. They study property law, criminal law, jurisprudence, equity, the law of contract, constitutional law, legal methods, torts and so on. There are many things to study about law, judgment and justice.
Indeed, it is always a prestigious thing to have studied law and to have graduated as a lawyer. It sounds even more prestigious to have become a judge. A judge is a very high office in any country. In some countries, the Chief Justice is the third in command in the whole nation. That shows you how great a judge is.
If you want to practice judgment and justice, you will need to study the Word of God and find out the principles of judgment and justice from there. Indeed, many of the law books derive their principles from the Bible. The Bible is the greatest source of wisdom for judgment and justice. Through the knowledge of the Word of God you will understand why certain things are the just recompense for what has been done.