For this Day:

;

Priority was single

One of my favorite water cooler facts is for most of history, the word "priority" was singular. 
To have a bunch of priori-"ties" defeats the point of setting them.

never be at the mercy of

Things which matter most must never be at the mercy of things which matter least.  

Johann Wolfgang von Goethe

....who does not fancy

The wisest man is he who does not fancy that he is so at all.
-Nicolas Boileau-Despreaux, poet and critic (1636-1711)