追求知识的旅程永无止境，每一个发现都为新的问题打开了大门。
The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.
我们生活的目的是快乐。
在不确定的时期，创新成为我们最可靠的工具。
The essence of art is to reveal the hidden.
In mathematics, you don't understand things. You just get used to them.