“One voice can change a room, and if one voice can change a room, then it can change a city, and if it can change a city, it can change a state, and if it can change a state, it can change a nation, and if it can change a nation, it can change the world. Your voice can change the world.”

“One voice can change a room, and if one voice can change a room, then it can change a city, and if it can change a city, it can change a state, and if it can change a state, it can change a nation, and if it can change a nation, it can change the world. Your voice can change the world.”

— Barack Obama