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Before a Cat will condescend To treat you as a trusted friend, Some little token of esteem Is needed, like a dish of cream; And you might now and then supply Some caviare, or Strassburg Pie, Some potted grouse, or salmon paste — He's sure to have his personal taste. (I know a Cat, who makes a habit Of eating nothing else but rabbit, And when he's finished, licks his paws So's not to waste the onion sauce.) A Cat's entitled to expect These evidences of respect. And so in time you reach your aim, And finally call him by his name.

T.S. Eliot (2011). “The Complete Poems and Plays of T. S. Eliot”, p.216, Faber & Faber
Before a Cat will condescend To treat you as a trusted friend, Some little token of esteem Is needed, like a dish of cream; And you might now and then supply Some caviare, or Strassburg Pie, Some potted grouse, or