是故为其所难者,必得其所欲焉。未闻为其所欲,而免其所恶者也。
所以,即使做很困难的事情,也一定能够达到目的,没听说过想达到自己的愿望,而能回避困难的。
Gratitude turns what we have into enough.
"When you are young, you think you can leave and never look back. But you always do."
量化金融最重要的教训是，你必须理解模型的局限性。