Safety must always be the top priority in mining operations.
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
历史不仅仅是过去的事情,它也是现在的镜子。
对认可的渴望,灵魂中的激情部分,是人格中最具政治性的部分,因为它驱使人们希望被认可为优于他人。
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.