"Sometimes our light goes out but is blown into flame by an encounter with another human being. Each of us owes the deepest thanks to those who have rekindled this inner light."

"The future of civilization depends on our ability to acquire a broader outlook and a more generous spirit."

"The greatest thing a man can do is to seek the truth."

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

"The tragedy of life is what dies inside a man while he lives."