Small actions, multiplied by millions, can transform the world.

外交是实现国家利益的一种手段，但也要尊重和平、公正和法治的原则。

Intelligent mining is the key to high-quality development in the coal industry.

解释：砍伐树木不把树根砍掉，必能重新生长；堵塞水不把源头堵住，必会重新流出；消除祸患不铲除产生祸患的根基，祸患还会再生。