积极心理学不是一种奢侈品；它是美好生活的必需品。

The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.

据古巴安全部门统计，美国在半个世纪以来对他的谋杀计划多达630余次

The only real freedom is the freedom to say no.

"Change is the essential process of all existence."

要写好文章，像普通人一样表达自己，但要像智者一样思考。

可持续发展不再是可选项，而是任何负责任的采矿业务的必要条件。

The only constant in business is change.

The worst enemy of life, freedom and the common decencies is total anarchy; their second worst enemy is total power.