caviare to the general

The term parallax proving "caviare to the general," they further explained that it meant the angle formed by the inclination of two straight lines drawn from either extremity of the earth's radius to the moon.

In five years of contact with the stage, with wits, with writers for the stage, with older plays, with patrons of the stage, with Templars, and so on, a man of talent could easily pick up the 'general information'--now caviare to the general--which a genius like Shakespeare inevitably absorbed.