Authors:

Progress toward a more abundant material life does not come like manna from heaven. . . . My message certainly is not one of complacency. In this I agree with the doomsayers: our world needs the best efforts of all humanity to improve our lot.

Progress toward a more abundant material life does not come like manna from heaven. . . . My message certainly is not one of complacency. In this I agree with the doomsayers: our world needs the best efforts of all