经济的关键是适度的竞争，而不是垄断。
The great object of all regulations is to secure the utmost quantity of useful produce.
The only thing I care about is the music and the performance. That's the only reason I'm here.
释义：世间繁杂的事情看之不尽，天下的书籍读之不尽，世界的道理参悟不尽。
爱是什么样子？它有双手来帮助他人。它有双脚匆匆赶往穷人和需要帮助的地方。它有眼睛看到痛苦和贫困。它有耳朵听到人们的叹息和悲伤。
Those who do not have power over the story that dominates their lives, the power to retell it, rethink it, deconstruct it, joke about it, and change it as they change, truly are powerless, because they cannot think new thoughts.
The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
The role of the infinitely small in nature is infinitely large.