The best way to create interest in a subject is to render it worth knowing, which means to make the knowledge usable.

解决问题的最好方法是用不同的方式思考它。

Progress is impossible without change, and those who cannot change their minds cannot change anything.

Democracy is the worst form of government except for all those other forms that have been tried from time to time.

International politics is a brutal and unforgiving arena, where states constantly strive to maximize their power and security.

Success comes from persistence and hard work.

任何有所作为的人都一定会受到批评、诽谤和误解。这是伟大的代价的一部分，每个伟人都明白这一点。

好建筑的检验标准是当你在里面时的感受。