Life is like a song, with highs and lows.
"There is no sun without shadow, and it is essential to know the night."
Every challenge is an opportunity to learn and grow.
下一次绿色革命必须是高产且对环境负责的。
最好的数学不仅仅是逻辑的——它是直观且美丽的。
法律在其庄严的平等中,禁止富人和穷人在桥下睡觉、在街上乞讨和偷面包。
To understand is to know what causes what.