Writing is easy: All you do is sit staring at a blank sheet of paper until drops of blood form on your forehead.
写作很简单：你只需要坐在那里盯着一张白纸，直到额头上冒出冷汗。
在数学中，提出问题的艺术必须比解决问题更有价值。
The most successful modern states are those that have been able to harness the power of the market while maintaining a strong state that can provide public goods and regulate private activity.
追求幸福是一段永无止境的旅程。
爱是一切的关键。