You know why they say -" Never judge a book by its cover"
It was a long time ago a man approached Enzo Ferrari the founder of supercar brand Ferrari . The man said that there was a clutch problem in Ferrari cars . He said that he could fix it . Now
The company that needs a new machine tool, but hasn't bought it, is already paying for it.
Similarly, The man who is in need of a thinking tool but hasn't acquired it, is already paying for it.