The difference between a dream and a goal is a timeline.
"Science is about understanding the world around us, and that understanding can lead to incredible advancements."
写作是面对存在的混乱并在其中找到意义。
"Technique without vision is empty, vision without technique is blind."
成功辨识的关键是找到一个足够灵活的模型结构,以捕捉系统的基本特征,同时又足够简单,可以从现有数据中估计出来。