"To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death."

教育学不是关于训练，而是关于严格教育人们进行自我反思，能够批判性地处理他们与他人及更广阔世界的关系。

我只和自己竞争，不和别人竞争。

I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them.

Sustainability is not just a goal, it's a responsibility we owe to the future.

光是让建筑鲜活的东西。

置信区间理论提供了一种不同于点估计和假设检验的估计未知参数的方法。