Derek Prince - Can A Pessimist Become An Optimist?

Bible teacher Derek Prince speaks honestly about his pessimistic upbringing and how that resulted in a depression during his life. Derek Prince calls the depression that tormented him for years a spirit of heaviness. When he called on the name of the Lord he was delivered from this demon. But he had to change the way he thought and had to daily proclaim positive Scriptures to fight this pessimistic attitude.