解释：治理河道，要用疏导的办法使其通畅；治理百姓，要引导百姓使其敢言。

The highest activity a human being can attain is learning for understanding because to understand is to be free.

食品行业对后代负有责任——我们今天所做的一切塑造了他们的明天。

强者，藐视困难，弱者，仰视困难。