No president who performs his duties faithfully and conscientiously can have any leisure.
出自唐代诗人李绅的《悯农》，李子柒在视频中引用过。
出生的那一刻是我们失去最多的时候。
心灵是一个不断进化的经验流。
The trade-off between bias and variance is a fundamental concept in machine learning.
如果我必须生活在一个需要解释我的幽默感的世界里，我就没法在这个星球上活下去。