我们必须自由,不是因为我们主张自由,而是因为我们实践自由。
We must be free not because we claim freedom, but because we practice it.
数学之美在于它是人类少数几个可以知晓绝对真理的领域之一。
"Stay humble and never forget where you came from."
The value of an economic model lies in its ability to explain and predict.
教育的回报太遥远,而今天的生计太紧迫。