A native Korean, who was told to memorize the entire Sermon on
the Mount, did so with remarkable exactness. When asked how he
accomplished it, he said: “My teacher told me to learn it with
my heart as well as with my memory, so I hit on this plan. I
would try to memorize a verse, and then find a heathen neighbor
of mine and practise it on him. I found the verse would stick
after I had done that, and I couldn’t forget a word of it.”
(1556)