An incurable itch for scribbling takes possession of many, and grows inveterate in their insane breasts. – Juvenal, Satires

Give up all hope of peace so long as your mother-in-law is alive. – Juvenal, Satires
The majority of writers ought to translate themselves; there are but few thoughts that are born translated, that is, clothed with the power best fitted alike to express and transmit them. What we have in the first instance written for ourselves, should be written a second time for others. – Alexandre Vinet (1797–1847), Literature. First Section: Literature in Gene
The ablest writer is only a gardener first, and then a cook: his tasks are, carefully to select and cultivate his strongest and most nutritive thoughts; and when they are ripe, to dress them, wholesomely, and yet so that they may have a relish. – Augustus William Hare and Julius Charles Hare, Guesses at Truth, by Two Brothers