在危机时期，真正的领导力是通过行动而不是言语来衡量的。

The poet is the guardian of silence.

The truth is a beautiful and terrible thing, and should therefore be treated with great caution.

释义：观察天下的造化之道，四季周而复始不变，圣人能够体认到这种玄妙的道理并用以教化众生，从而为人民所使用。

农业的进步不仅要以产量衡量，还要以长期的环境影响来衡量。