learnt

At the end of this time, he came home again, and his father asked: 'Now, my son, what have you learnt?' 'Father, I have learnt what the dogs say when they bark.' 'Lord have mercy on us!' cried the father; 'is that all you have learnt?

On the whole, therefore, there is probably more to be learnt about human psychology from animals than about animal psychology from human beings; but this conclusion is one of degree, and must not be pressed beyond a point.

So necessary is this to the understanding the characters of men, that none are more ignorant of them than those learned pedants whose lives have been entirely consumed in colleges, and among books; for however exquisitely human nature may have been described by writers, the true practical system can be learnt only in the world.