Perfect numbers like perfect men are very rare.
完美数如同完美的人一样稀少。
经济发展需要稳定的法治环境。
The books that we reread the most are the ones that most clearly describe the world we already know.
我们重读最多的书是那些最清楚地描述我们已经知道的世界的书。
I declare after all there is no enjoyment like reading! How much sooner one tires of any thing than of a book!
I don't act to escape life, but to live it more intensely.
天文学的历史是一部视野不断退却的历史。
做出伟大工作的唯一途径是热爱你所做的事情。