发现可能性的极限的唯一方法是超越它们进入不可能。
中国矿业要走向世界,必须提升国际竞争力。
每起谋杀都会留下两个受害者:死者和凶手。
Every intervention should leave things better than we found them.
The community is a fictitious body, composed of the individual persons who are considered as constituting as it were its members.