剑鞘保护剑的锋利，自己却满足於它自己的迟钝。

Justice is not always served in the way we expect, but it is always served in some form.

有时候你必须迷失自己，才能找到自己。

解读：区分事务可控性，对可控之事精细谋划，预防风险；对不可控之事，忧愁无用，不如乐观豁达面对，合理调配心态与精力。