The world is full of people who have never, since childhood, met an open doorway with an open heart.
"The world is full of obvious things which nobody by any chance ever observes."
每个故事都是一次旅程,每次旅程都是一个故事。
相关系数的可能误差不是一个固定的量,而是取决于样本的大小。
To understand the mind, follow its practical consequences.
The past is not a prison but a springboard.