一个人格就是一场完整的演说家和压力集团的集会，有儿童、煽动者、共产主义者、孤立主义者、战争贩子、骑墙派、贪污者、祈祷者、冒险家和职员；每一个都只占一席之地。

True freedom is not about doing what you want, but about not doing what you don't want to do.

忽视海洋资源的国家，就是在忽视自己的未来。

理论物理学之于数学，犹如雕塑之于大理石块。

The more I learn, the more I realize how much I don't know.

唯一真实的思想是那些不理解自身的思想。