The great Tibetan meditator Gungtang Jampelyang once asked 'What is the difference between a wise man and a fool?' The difference lies in their intention. A wise person is someone who has a good intention, not someone who merely possesses knowledge.
Geshe Kelsang Gyatso (1990). “Joyful Path of Good Fortune: The Complete Buddhist Path to Enlightenment”, p.139, Motilal Banarsidass Publ.