反馈是鲁棒控制系统的关键。

The future of energy lies in the balance between development and sustainability.

In energy, the only constant is change—embrace it.

成功的真正标准是你能从失败中重新站起来的次数。

重要的不是拥有你想要的，而是珍惜你已拥有的。

The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.

爱是试图理解对方。