What is truth?
How perfect are our sciences? How knowledgeable are our teachers? We vest so much trust and power in these men that they become stalwarts without earning such standing yet people are content with this arrangement.
Can a doctor lie? A scientist lie? How can a master be refuted when he is trusted to record and modify the very rules that you're guided by in your quest for knowledge? This is a serious trouble of the ages, I can teach you freely but I don't have to give you truth..for truth works itself up, it begs for a mission for discovery and makes a man hunger in creativity.
Such a thing is not tolerable by "honored" men with their titles and money. Would I allow laymen to contend with me by giving them truth? No. I would feed them lies and half truths to protect my standing and swear oaths with colleagues to protect the lies with uniformity. Thus, I help keep the populations stupefied and my position secured by them needing my worthlessness continuously.