If we consider the manner in which those who assume the office of directing the conduct of others execute their undertaking, it will not be very wonderful that their labours, however zealous or affectionate, are frequently useless. For what is the advice that is commonly given? A few general maxims, enforced with vehemence, and inculcated with importunity, but failing for want of particular reference and immediate application.
Samuel Johnson, Arthur Murphy (1834). “Murphy's essay. The rambler. The adventurer. The idler. Rasselas. Tales of the imagination. Letters. Irene. Miscellaneous poems”, p.139