Unless modern civilization is a failure, it is entirely feasible and practicable for two races in such essential political, economic and religious harmony as the white and colored people in America, to develop side by side in peace and mutual happiness, the peculiar contribution which each has to make to the culture of their common country.

W. E. B. Du Bois Speaks: 1890-1919, with a tribute by M. L. King, Jr (ed. 1970)