水源会枯竭 但心永不干涸

精金美玉般的品性，一定是经历过了，烈火一样的磨砺才修成的；惊天动地的大事业，必须要有履薄冰临深渊般的胆识和魄力，才能成就。

The pursuit of power is the primary goal of all great powers, and this pursuit often leads to conflict.

What good is the warmth of summer, without the cold of winter to give it sweetness.

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。