释义：小人做事只要有利就去做，无原则无底线；君子则坚守原则，不做不合道德正义之事，行事不刻意追求结果。

Great leaders are willing to make the tough decisions that others avoid.

Modularity is essential for building large, maintainable systems, as it allows us to break down complex problems into smaller, more manageable parts.

The stone industry must embrace sustainability to survive in the long run.