我不害怕风暴，因为我正在学习如何驾驶我的船。

痛苦是一种果实，上帝不会让它生长在无法承受的脆弱枝干上。

My favorite things in life don't cost any money. It's really clear that the most precious resource we all have is time.

In the internet industry, the only constant is change itself.

系统辨识的挑战不仅在于拟合数据，还在于提取有意义且可推广的模型。