Safety must always come first in mining operations.
Innovation is the driving force of enterprise development, without innovation there is no future.
I am not a fast thinker at all. I have to spend a lot of time before I can understand something.
过度捕捞是一个可以解决的问题，但它需要全球的承诺和地方的行动。
The best stories are those that mix the happiness and sadness of life together in the right proportions.
The most important quality in a scientist is persistence.