Physical fitness is not only one of the most important keys to a healthy body, it is the basis of dynamic and creative intellectual activity. John F. Kennedy
The stars look the same from night to night. Nebulae and galaxies are dully immutable, maintaining the same overall appearance for thousands or millions of years. Indeed, only the sun, moon and planets - together with the occasional comet, asteroid or meteor - seem dynamic. Seth Shostak
If I were not African, I wonder whether it would be clear to me that Africa is a place where the people do not need limp gifts of fish but sturdy fishing rods and fair access to the pond. I wonder whether I would realize that while African nations have a failure of leadership, they also have dynamic people with agency and voices. Chimamanda Ngozi Adichie
Since we launched the original 'Pop Idol' in England, I've remained close with Simon Fuller. Working as executive producer on 'American idol' for its first seven years not only was an inspirational journey into the heart of American pop culture, it opened my eyes to the untapped potential of the incredibly dynamic young people in this world. Nigel Lythgoe
Like a tracer running through the veins of the city, networks of air quality sensors attached to bikes can help measure an individual's exposure to pollution and draw a dynamic map of the urban air on a human scale, as in the case of the Copenhagen Wheel developed by new startup Superpedestrian. Carlo Ratti