概率论本质上不过是常识的微积分化。
The theory of probabilities is at bottom nothing but common sense reduced to calculus.
The only thing that matters is how you feel about yourself.
是印度给了我们表达所有数字的巧妙方法，每个符号都有一个位置值和一个绝对值。
The difference between a dream and reality is action.
建筑师必须是诗人、建造者和革命者。