The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.

The stream of thought is a stream of survival.

Technological innovation in mining isn't about replacing people, but about making their jobs safer and more productive.

北极仅有一盏路灯，南极也只有一盏；唯独北极的点灯人和他南极的同行，过着闲逸懒散的生活：他们每年只工作两次。