诗人并不与世界分离；诗人属于世界。

最小作用量原理是物理学的一个统一原理。

Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.

沃森先生，请过来！我有事找你！——出处:1876年3月10日，贝尔第一次通过他发明的电话在寝室向在实验室里的助手沃森说的一句话。

世界是平的，但竞技场并不公平。

Every artist dips his brush in his own soul, and paints his own nature into his pictures.