Authors:

The vulgar boil, the learned roast, an egg.

Alexander Pope, Alexander Dyce (1835). “The Poetical Works of Alexander Pope: Epistle to Dr. Arbuthnot, being the prologue to the satires. Satires, epistles, and odes of Horace imitated. Epitaphs. The Dunciad, in four books”, p.75
The vulgar boil, the learned roast, an egg.