"The greatest thing in the world is to know how to belong to oneself."

"Do something wonderful, people may imitate it."

"Constant kindness can accomplish much. As the sun makes ice melt, kindness causes misunderstanding, mistrust, and hostility to evaporate."

"The only way to be truly rich is to be rich in spirit."

"The African is my brother—but he is my younger brother by several centuries."