...exetcise of those powets which gives us ability and skill in anything and leads us towatds petfection As it is in the body, so it is in the mind: ptactice makes it what it is."" Ftom this passage we leatn that teason is mote akin to a muscle than...

...matter of input and exercise. In a late work, Of the Conduct of the Understanding, he speculated that "[a]s it is in the body, so it is in the mind; practice makes it what it is, and most even of those excellences which are looked on as natural endowments will be found, when enquired into more narrowly,...