人声是最美的乐器，也是最难演奏的乐器。

The most advanced machinery means nothing without skilled operators.

采矿成功的关键在于可持续性——平衡经济增长与环境责任。

The past is a foreign country; they do things differently there.

The best stories are the ones that leave you with more questions than answers.

The most significant threat to liberal democracy today is not from the outside, but from within.

儿童有自我保卫和平和追求完美的内在冲动。

在绝望中，我们才能找到真正的希望。

对于手中紧急待办的事情，千万不要急躁，而应沉下心，详慎周密地思考斟酌，对于已经考虑成熟的问题，千万不要延缓，而应横下心，果决神速地实施解决。