国家是理性的行为者，在无政府状态的国际体系中寻求最大化其权力和安全。
States are rational actors that seek to maximize their power and security in an anarchic international system.
If you're alive, you've got to flap your arms and legs, you've got to jump around a lot, you've got to make a lot of noise, because life is the very opposite of death.
Science is the tool with which we unravel the mysteries of life.
现在生活中，没有什么可比一句好的陈词滥调，更能营造出四海一家亲的效果。
运营良好的采石场是精确、安全和尊重的交响乐。
Leadership is about empowering others to achieve their full potential.