知识最大的敌人不是无知，而是知识的幻觉。
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the language of the past, the nearer I shall feel the breath of the centuries.
The artist must be a servant of the invisible.
我们应当谨记，儿童爱我们，而且还很想服从我们。
思维法则的有效性不受其所应用对象性质的影响。
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。
Gather ye rosebuds while ye may. Old Time is still a-flying. And this same flower that smiles today, tomorrow will be dying.