The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.

译文：武德与法度并重，文教在中兴时期熠熠生辉。

采石场经理需要工程师的精确和诗人的远见。

解释：大多数花类药材都有升散的作用，而旋覆花却有降气的作用，说明药材特性的多样性。