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.

悲观者抱怨风向，乐观者期待风向改变，而领导者调整船帆。

The most necessary, the most important, the principal, the most essential thing for a musician is this: to know what he wants, what he can do, and what he ought to do.

如果不给儿童提供帮助，如果忽视他的环境，那他的精神生命将会处于持续的危险之中。