A reflection on the freedom and unpredictability of life's journey.
交易的关键是拥有优势并知道这个优势是什么。
最重要的是,你必须对自己忠实。
You build your life around the truth, and then the truth changes.
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.