在经济学中，魔鬼往往藏在细节里。
In economics, the devil is often in the details.
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
生活是世界上最罕见的事情。大多数人只是存在，仅此而已。
Never compromise on quality—your brand is only as strong as your weakest product.
身体实现心灵所相信的。
成功不在于你赚了多少钱，而在于你影响了多少人的生活。
魔鬼最伟大的伎俩是让世界相信他不存在。