在没有其他信息的情况下，参数的最佳估计是其样本值。

A book should feel like an adventure, even if it’s just about a day at home.

释义：美好事物之所在，就是受到玷污辱没，世人也不能使它低贱；丑恶事物之所在，就是有人鼓噪吹捧，使之抬高身价，世人也不能使它贵重。

科学中最重要的事情不是正确，而是保持好奇心。

Brand is just a perception, and perception will match reality over time.

The best architecture is timeless.

The heart is a muscle the size of your fist. Keep loving, keep fighting.