What does children and princes often will quarrel for trifles mean?

The phrase "children and princes often will quarrel for trifles" suggests that both the young and those in power can engage in disputes over insignificant matters. It highlights the idea that immaturity and arrogance can lead individuals, regardless of their status, to focus on petty grievances rather than more important issues. This serves as a reminder of the universal nature of human behavior, where small conflicts can arise from pride or trivial concerns.