What Are We Doing When We Use Reason to Achieve Knowledge?

Some thinkers of the frankfort school would ask what we're doing when we use our faculty of reason to arrive at an understanding of the world. It's always us trying to understand nature so that we can control it and use it to our benefit, he says. Reason is great, but it has its limitations and tendencies, writes Peter Hitchens. The more enlightened a person becomes, the less you believe in cosmically determined human beings who must behave in a way that is dead right? In a post-enlightenment world, this is nothing new; fachism style thinking is only just now becoming fashionable.