Network
You have meddled with the primal forces of nature Mr Beale and I won't have it.There are no nations and there are no people,there are no russians,there are no arabs,there are no third worlds,there is no west,there is only one holistic system of systems,one vast and interwoven and interacting multivariat, multinational dominion of dollars.
In just five minutes of this speech he challenged Howard's thinking.Mr jensen sold him his ideology,his world view and his dream. Masterful writing,directing and acting in this scene alone.
This movie despite being released almost 50 years ago now still holds true. This movie is a brilliant satire on the television industry and how it influences us as a society.