Innovation in coal mining isn't about reinventing the wheel, but about making the wheel more efficient and environmentally friendly.
通往伟大的道路并不总是容易的，但它总是值得的。
大海是一个思考未来的好地方。
一人独处应谨慎自己的行为，预知每一心思所含的意念，严肃威仪安于天命，敬人伦以成圣贤，谨慎各种行为以成就德引，改过向善以成贤良。
The only person you should try to be better than is the person you were yesterday.
友谊是没有羽翼的爱
The most important thing is to turn your vision into reality.
The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.