The precepts of the law are these: to live honestly, to injure no one, and to give each his due.
地质时间不仅漫长,而且复杂,过程以截然不同的速率运行。
The key to solving complex problems is to ask the right causal questions.
如果你想获得某样东西,最可靠的办法是让自己配得上它。