创造力需要勇气。
The power of abstraction is that it allows us to ignore details that are not relevant to the task at hand.
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。
"Writing is easy: all you do is sit staring at a blank sheet of paper until drops of blood form on your forehead."
Coal isn't just a commodity; it's the foundation upon which modern civilization was built.
要使婚姻长久，就需克服自我中心意识。
Legal rights are not merely the shadows of legal duties.