A Touch Of Wisdom, 3/10/14

"Iron rusts from disuse; water loses its purity from stagnation ... even so does inaction sap the vigor of the mind."

Leonardo da Vinci (1452 - 1519)

Leonardo di ser Piero da Vinci was an Italian Renaissance polymath: painter, sculptor, architect, musician, mathematician, engineer, inventor, anatomist, geologist, cartographer, botanist, and writer. Wikipedia

To learn more http://en.wikipedia.org/wiki/Leonardo_da_Vinci