The search for reciprocity laws is a fundamental theme in the history of mathematics.
When you focus on doing what's right rather than what's easy, success follows naturally.
The only thing that matters is the music.
投资清洁煤炭技术不是开支,而是对我们未来的投资。
我们不仅仅是生产药物,我们生产的是信任。
富贵如住宿旅店,只有谨慎勤劳才可以久居;贫贱如破衣服,只有勤俭才能脱去贫穷的破衣。