在采矿作业中，安全必须始终放在第一位。
Safety must always come first in mining operations.
The task of the teacher is to lead the student from the known to the unknown.
Young people must equip themselves for life's duties and guard against its temptations.
On the road to dreams, every step counts.
The past is never dead. It's not even past.
永远不要停止质疑如何改进事物。
人一生中的主要任务是诞生自己，成为他潜在的样子。他努力的最重要产物是他自己的个性。
