Nagging is the repetition of unpalatable truths. (Quote by - Edith Clara)

I keep going over a sentence. I nag it, gnaw it, pat and flatter it. (Quote by - Janet Flanner)

When sleep leaves the body like smoke and man, sated with secrets, drives the overworked nag of quarrel out of its stall, then the fire-breathing union begins anew . . . (Quote by - Nelly Sachs)