有时最难的案子是那些离家最近的。

Sustainability isn't an option anymore—it's a necessity for any responsible mining operation.

The mind is nothing but the sum total of human experience considered from the standpoint of dependence upon the experiencing individual.

数学中发现的快乐是无与伦比的。

Technological innovation is the core driving force for the high-quality development of the petroleum industry. We must increase R&D investment and break through key core technologies.

The challenges in our lives are there to strengthen our convictions. They are not there to run us over.

美即是真，真即是美——这就是你们在世上所知道、也该知道的一切。

You can fool all the people some of the time, some of the people all the time, but you cannot fool all the people all the time.