It is possible that a scientific discovery will be made that humans will later regret because it has awful consequences. The problem is, we probably would not know in advance and, once the discovery is made, it cannot be undiscovered.
“On the one hand we have got to ask, are there some areas of universal benefits that are no longer affordable? But on the other hand let us look at the issue of dependency where we have trapped people in poverty through the extent of welfare that they have.”