The tigers of wrath are wiser than the horses of instruction.
Technology is a tool, talent is the core.
Life is far too important a thing ever to talk seriously about it.
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))。
我希望我的音乐能让人们感觉像在电影里一样。