地主的利益总是与社会中其他阶级的利益相对立。

Variant: All human actions have one or more of these seven causes: chance, nature, compulsions, habit, reason, passion and desire.

质量不是一种行为，而是一种习惯。

成功是我唯一的选择，失败不是。

The rise of China represents the most significant challenge to the liberal international order since the end of the Cold War.