I went to the woods because I wanted to live deliberately,I wanted to live deep and suck out all the marrow of life, To put to rout all that was not life, and not when I had come to die, Discover that I had not lived.

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.

在计算机科学中追求知识是一次穿越无限思想景观的旅程。

创新来自于跳出框框思考和挑战现状。

我所知道的最大快乐，是祕密的做善行，然后被人意外的发现。

心理学家必须避免一切形而上的假设。