The joy of discovery in mathematics is like solving a puzzle that the universe has left for us.

The most remarkable development of the last quarter of the twentieth century has been the revelation of enormous weaknesses at the core of the world's seemingly strong dictatorships.

The goal of mathematics is to understand the universe in a deeper way.

翻译：指出深入研究文章可以分析器物的性能，而深入了解自然规律则可以审视器物的用途。