The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
Art is not about escaping reality, but about understanding it more deeply.
知道事情做不成于是就听之任之,这是聪明人的方法;知道事情做不成而竭尽全力的,这是忠臣孝子之心。
A mathematical proof is not just a verification but a story that reveals deeper truths.
The beauty of language is that it can express the inexpressible.