法律规范的有效性不取决于其内容，而取决于其产生的方式。
设定新目标或做新梦想永远不会太晚。
To say 'I love you' one must first be able to say the 'I'.
The absence is often more powerful than the presence.
生物为生存而进行的普遍斗争，不是为了原材料，也不是为了能量——能量以热的形式大量存在于每个物体中（可惜无法转化）；而是为了熵，它通过能量从炽热的太阳转移到寒冷的地球而变得可用。
The beauty of science is that it allows us to see the world not as it is, but as it could be.
管理者的工作不是防止风险，而是让承担风险变得安全。
The theory of economic development is the study of how the economic system generates the forces which incessantly transform it.
