Italian painter and polymath Leonardo da Vinci was a luminary of the Renaissance era — he not only painted such famed works as the “Mona Lisa” and “The Last Supper;” he was also an architect, inventor, and military engineer. In his lifetime, he sketched concepts resembling the modern-day bicycle and a flying machine, and drew some of the first anatomical charts on human record. His words and life’s work remind us that broadening our horizons is healthy: Exploring new fields and skills will only create a richer life.