关于人性,唯一真正知道的是它是会变化的。
"The only thing that one really knows about human nature is that it changes."
释义:老实敦厚的人言辞少,浮躁虚妄的人言辞多。
The best time to plant a tree was 20 years ago. The second best time is now.
Collaboration is key—governments, businesses, and communities must work together for sustainable forests.
纯粹经济学与纯粹政治学之间的桥梁是公共选择理论。
心理学必须建立在直接经验和内省的基础上。