He that finds out he's changed his lot for worse, Let him betimes the untoward choice reverse: For still, when all is said, the rule stands fast, That each man's shoe be made on his own last.
Had the crow only fed without cawing she would have had more to eat, and much less of strife and envy to contend with. [To noise abroad our success is to invite envy and competition.]
Physicians attend to the business of physicians, and workmen handle the tools of workmen.
[Lat., Quod medicorum est
Promittunt medici, tractant fabrilia fabri.]