The only way to make sense out of change is to plunge into it, move with it, and join the dance.
理解变化的唯一方式就是投身其中,随之而动,加入这场舞蹈。
从n对观测值的样本中获得的相关系数的可能误差是sqrt((1-r²)/(n-2))。
The writer’s life is a life of struggle.
在树枝下的一本诗集,一壶酒,一块面包——还有你在我身旁在荒野中歌唱——哦,荒野就是天堂!
Subtle is the Lord, but malicious He is not.