The Three Outlooks refer to the world outlook, values and outlook on life. World outlook is people's view and summary of the whole world and the relationship between people and the world. Values are people's thinking and orientation to judge right and wrong and identify things. Outlook on life is people's fundamental view of the purpose and significance of life.
We often say that the important thing to get along with people is the consistency of three views. If two people have different views in a relationship, then both lovers and friends can't go long in the end. However, many people only know this sentence and do not know what the 'Three Outlooks' mean.
In fact, the "Three Outlooks" in the "Three Outlooks disagree" refers to the world outlook, values and outlook on life. World outlook refers to people's views and summary of the whole world and the relationship between people and the world. It is summarized by people in life and time, and is often formed spontaneously.
Values are the thinking and orientation of people to judge right and wrong and identify things. People of different classes will have different values. Outlook on life refers to people's fundamental views on the purpose and significance of life. It largely determines people's attitude towards life.