质量不是选择；它是要求。
Quality is not a choice; it is a requirement.
Violence is not just physical; it's embedded in our systems and structures.
Life is too short to waste time on negativity.
解决数学问题的喜悦是无与伦比的；这是纯粹的智力胜利的时刻。
一个奇怪的事实是，关于地球史前条件得出了完全相反的结论，这反映了我们目前知识的不完整状态。