The world is full of magical things patiently waiting for our wits to grow sharper.
世界上充满了神奇的事物，耐心地等待着我们的智慧变得更加敏锐。
理解就是感知模式。
宇宙是一顿免费的午餐。
Every challenge is an opportunity to learn and improve.
上帝永远将一切几何化。
Sustainability isn't just an option; it's the only way forward for responsible businesses.
For every dollar you spend purchasing something substantial， expect to pay a dollar in repairs， maintenance， or disposal by the end of its life.
学习计量经济学的最佳方法是通过实践——处理真实的数据和真实的问题。