It means that although justice will last forever, for everyone in reality, "late justice" is by no means true justice. "The second meaning of legal justice refers to efficiency." Posner famously said that justice needs efficiency in handling cases.
Related legal proverbs
1, the law needs faith, otherwise it is useless. Douglas
2. Obey the law: Neither I nor anyone can get rid of the glorious bondage of the law. -Rousseau
3. The highest level of the concept of rule of law is to believe that the basis of all laws should be respect for human values. Chen Hongyi
4. Justice is not a part of virtue, but the whole of virtue; On the contrary, injustice is not a part of evil, but the whole of evil. -Aristotle