Exploiting people is very simple when you have a little more knowledge than they do. And while our knowledge of many things these days is impressive, there are areas where we are deeply lacking.
It is because we do not understand how important emotions are and how subconscious needs will always try and get themselves met that we become so controlled by repressed emotions. And it is because the majority do not know what the minority know that so many end up being controlled by so few.
Anyone studying the most knowledgeable and influential characters in the early history of the West, from Pythagorus to Isaac Newton, will discover that they all had a fascination with one particular subject - the occult.
The word "occult" simply means "hidden," and much esoteric knowledge is hidden in the text and symbolism of many of the world's great religious works, including the Bible, accessible only to those in the know.
Many of the principles are already familiar to us, albeit in a different form. But it is the ones that we are not aware of that are being used so effectively to control us.
"We are apt to shut our eyes against a painful truth, and listen to the song of that siren till she transforms us into beasts. Is this the part of wise men, engaged in a great and arduous struggle for liberty? Are we disposed to be of the numbers of those who, having eyes, see not, and, having ears, hear not, the things which so nearly concern their temporal salvation? For my part, whatever anguish of spirit it may cost, I am willing to know the whole truth, to know the worst, and to provide for it."
-Patrick Henry, in his Give Me Liberty or Give Me Death speech (US War for Independence 1776)