The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
地质时间不仅漫长，而且复杂，过程以截然不同的速率运行。
The only way to predict the future is to create it.
The soul should always stand ajar, ready to welcome the ecstatic experience.
Innovation in mining technology isn't optional - it's essential for our survival and growth.