You can’t change the past, but you can shape the future.
Winning medals wasn't the point of the Olympics. It's the participating that counts.
We must learn to listen to what materials want to say.
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))。
决策分析的本质是将复杂问题分解为更简单、更易管理的组成部分。
人们总觉得最有意思的话题就是与自己相关的话题。所以,要善于分析他人的问题所在,并尝试提出办法来帮助他人。几乎所有的人,无论他声名多么显赫、地位多么高贵,都愿意接受新的想法,当然,前提是这些想法必须经过深思熟虑。
Never confuse a single defeat with a final defeat.