一个好的模型应该在复杂性和准确性之间取得平衡,捕捉基本动态而不过度拟合。
过去是跟随我们的影子,但前方的光指引我们的脚步。
The most realistic distinction between the investor and the speculator is found in their attitude toward stock-market movements.
黑暗修复了光明修不了的东西。
You can't change the people around you, but you can change the people you choose to be around.