Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigor of the mind. — Leonardo da Vinci Copy Share Image
Iron rusts from disuse, stagnant water loses its purity and in cold weather becomes frozen; even so does inaction sap the vigors… — Anonymous Copy Share Image
Iron rusts from disuse; water loses its purity from stagnation...even so does inaction sap the vigour of the mind. — Leonardo Da Vinci Copy Share Image
