市场是所有参与者集体行动的反映。

农业的真正价值不仅在于收获，还在于我们为子孙后代留下的遗产。

"Literature is the mirror of society, reflecting its virtues and vices with unflinching honesty."

The idea that a bell rings to signal when investors should get into or out of the stock market is simply not credible.

脆弱不是软弱，而是彻底的诚实。

系统辨识的挑战不仅在于拟合数据，还在于提取有意义且可推广的模型。