John Maynard Keynes and the Great Depression

1) WWJD about the Great Depression?
2) WWJMKD (John Maynard Keynes of course!) about the Great Depression?  Check out this link to read a little bit about the man!

“The engine which drives enterprise is not thrift, but profit.”

"Capitalism is the astounding belief that the most wickedest of men will do the most wickedest of things for the greatest good of everyone.”
“It is better that a man should tyrannize over his bank balance than over his fellow citizens.” 
John Maynard Keynes