Science should serve humanity, not the other way around.
科学应当为人类服务，而不是反过来。
I will hazard a prediction. When you are 80 years old， and in a quiet moment of reflection narrating for only yourself the most personal version of your life story， the telling that will be most compact and meaningful will be the series of choices you have made. In the end， we are our choices. Build yourself a great story.
作家必须有勇气说出别人不敢说的话。
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。