市场是所有参与者集体行动的反映。
The market is a reflection of the collective actions of all participants.
There are some things so serious you have to laugh at them.
The beauty of mathematics is that it is so simple yet so powerful.
出自先秦《荀子·不苟》。君子加强道德修养没有比“诚”更重要的，达到了“诚”的要求也就到了修身养性的最高境界了。
数学只向那些纯粹出于对其美的热爱而接近它的人揭示其秘密。