思想的功能是引导成功的行为。
The best biographies are those that make the reader feel they have met the subject in person.
In mathematics, you don't understand things. You just get used to them.
历史的终结将是一个非常悲伤的时刻。
The beauty of mathematics is not in its complexity, but in its simplicity and the profound truths it reveals about the universe.