欲望使人即使到了天堂也会坐立不安。
Investing in technology today will define our ability to deliver cleaner energy tomorrow.
The dialectical unity of Love and Strife is the eternal driving force in the cosmos.
The best time to plant a tree was 20 years ago; the second best time is now.
追求数学知识是一场永无止境的冒险,充满了挑战、惊喜和解决不可解问题的满足感。