A little flattery, like a warm bath and soft towel, will let you get along with yourself, lie down with yourself, and sleep.

Maria Edgeworth grumbled against vandals who ruined immortal works by quoting the life out of them. "How far our literature may in future suffer from these blighting swarms, will best be conceived by a glance at what they have already withered and blasted of the favourite productions of our most popular poets." Shakespeare, Milton, and Dryden, scissored, patched, and frayed.

Quotations cause all kinds of trouble.

Quotations calcify into clichés.

Excellent flatterers welcome attentive audiences; mighty potentates enjoy public praise. In the most pleasing situation, a flatterer would genuinely admire the flatteree, please that person, please other present company, be pleased to stagger rivals, and get something out of it: applause, promotion, a favor, reciprocal praise. Flattery is as social as a banquet.

Cunning authors cut to be quoted.

Say what you want without saying it yourself: quote. Very useful, this, sometimes lovely, and versatile, too: big thoughts in small pieces, neatly wrapped and bundled in bulk, in different flavors for different tastes.