安全必须始终是采矿作业的首要任务。
美德比恶德更值得担忧,因为它的过度不受良心的调控。
Life is about growth and change. When you stop growing, you stop living.
数学语言是普遍的,超越了文化和语言的障碍。
The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.
"Life is too short to waste time on things that don't matter."