Leonardo da Vinci
Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigor of the mind.
More quotes and aphorisms
When I dare to be powerful...If a window was broken in the woods...If you want to have a life that is worth living...Recession is when a neighbor loses his job...Freedom of the press is guaranteed only to those...Man should not try to avoid stress any more...