受过教育的心灵的标志是能够思考一种思想而不必接受它。
The past is always tense, the future perfect.
 言语会让人眼花缭乱、上当受骗,因为它们会被表情所模仿。但白纸上的黑字才是赤裸裸的灵魂。
I am more interested in what can be done with the knowledge than in the knowledge itself.