Every form of unhappiness springs from a wrong condition of mind.
MARCH SEVENTH
ALL sin is ignorance. It is a condition of darkness and undevelopment. The wrong-thinker and the wrong-doer is in the same position in the school of life as is the ignorant pupil in the school of learning. He has yet to learn how to think and act correctly, that is, in accordance with Law. The pupil in learning is not happy so long as he does his lessons wrongly, and unhappiness cannot be escaped while sin remains unconquered.
Life is a series of lessons. Some are diligent in learning them, and they become pure, wise, and altogether happy. Others are negligent, and do not apply themselves, and they remain impure, foolish, and unhappy.
Happiness is mental harmony.