我们学得越多，就越意识到自己的无知。

The central task of education is to implant a will and facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.

The only limit to our realization of tomorrow is our doubts of today.

气候变化的挑战需要政府、企业和民间社会之间的合作。

心理学唯一有效的数据是受过训练的观察者的报告。

"I think that my job is to observe people and the world, and not to judge them. I always hope to position myself away from so-called conclusions."