最小的人类不可分割单位是两个人,而不是一个人。
"Every brushstroke should carry the weight of thought."
幸福不是没有痛苦,而是有能力克服它。
民主与其说是一种政府形式,不如说是一套原则。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.