Full Idea
May I be forgiven for the discovery that 'virtue' has been harmed by nothing more than it has been by the boringness of its advocates.
Gist of Idea
Virtue has been greatly harmed by the boringness of its advocates
Source
Friedrich Nietzsche (Beyond Good and Evil [1886], §228)
Book Reference
Nietzsche,Friedrich: 'Beyond Good and Evil', ed/tr. Hollingdale,R.J. [Penguin 1973], p.138