Energy security is the lifeline of national development. We must unswervingly promote oil and gas exploration and development to ensure national energy supply.

A man is like a fraction whose numerator is what he is and whose denominator is what he thinks of himself. The larger the denominator, the smaller the fraction.

心是身体的主宰，是众神的统帅。

The best mathematics is timeless.

计算的目的是洞察，而非数字。