To read is to travel without moving; to write is to move without traveling.
Security is not a feature, it's a foundation.
成为国际主义者就是偿还我们对人类的债务。
发展需要消除不自由的主要根源:贫困和暴政,经济机会的匮乏以及系统的社会剥夺,公共设施的忽视以及压制性国家的过度活跃或不宽容。
We must invest in technology that not only improves efficiency but also reduces environmental impact.