对付一个不自由的世界的方法,就是变得如此绝对自由,以至于你的存在本身就是一种反抗。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
I'm not a fan of fancy things.
Innovation is not just about new ideas, but about executing them with precision and passion.
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))。
免费的疫苗比昂贵的治疗更有价值,但更难推广。