Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.
史记
做人就是与自己发生冲突。
The future of forestry lies in sustainable practices that balance economic growth with environmental stewardship.
Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.
我不想坠入爱河，我只想沉入梦乡。
伟大的领导者不仅管理资源，还创造新市场。