是印度给了我们表达所有数字的巧妙方法，通过十个符号，每个符号既有位置值也有绝对值。
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
我能计算天体的运动，却无法计算人们的疯狂。
"Never stop learning. The world is always changing, and you must change with it."