2.
A disease of the mind, [whose] germ is the idea that one may learn that which is valuable, or in any way acquire virtue, by the process of being shown things.
Kingsley Martin
4.
One of the remarks made by farmers at their public discussion of these problems suggest that they are rapidly ceasing to think of animals as sentient beings at all. If you handle vast numbers of creatures which are in any case going to die soon, it is, I suppose, easy to get into a state of mind in which they seem to be merely machines.
Kingsley Martin