on the psychological brain

I wish I had a brain like yours," said Lord Ickenham. "What an amazing thing. I suppose you could walk down a line of people, giving each of them a quick glance, and separate the sheep from the goats like shelling peas. 'Loony... not loony... this one wants watching... This one's all right... Keep an eye on this chap. Don't let him get near the bread knife...' Extraordinary. [uncle fred in the spring time]