Twenty years of romance make a woman look like a ruin; but twenty years of marriages make her look like a public building.
The power of words lies in their ability to connect us to the deepest parts of ourselves.
Even if it can be communicated, it cannot be understood.
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
追求知识是一段永无止境的旅程，每一个发现都为新的问题打开了大门。