Here are 7 pages which you may have already read, but may even still wish to read again while considering ideas such as UBI; especially if you are a critic of such things.

By Keynes' estimation, those who are discussing such things right now are right on schedule.

John Maynard Keynes, Economic Possibilities for our Grandchildren (1930) http://www.econ.yale.edu/smith/econ116a/keynes1.pdf