In Psychology, “Shadow” refers to the parts of ourselves within our mind which are in the darkness, mostly that we are unconscious of having them inside ourself.
Projection refers to percieving the world or outside with the lens of our own, the unconscious aspects of yourself (which you hold in your mind), such as positive or negative needs, feelings, beliefs, likes, dislikes or ideas you are not aware of having.
Projection is kind of like how a movie projector projects an image or facsimile of the world but is not the scene itself. The actual scene is not what we take in, but what we see on the screen of our own consciousness which is again filtered by our experience with them that is stored already in our consciousness.
The unconscious shadow will also act as a filter and influence us to judge others based on what we are and how we percieve.
We see others as evil, as greedy, as lustful, as bad and ugly, destructive or with averstion or in whatever way, but we fail to see why we percieve like that and unaware of our own darkness inside us.
A common example of projection is around the issue of lateness, such as someone being late for a commitment with you. Most of us tend to project onto others whatever lateness means to us.
If you are the kind of person who is only late when you don’t want to be there for some reason, you might assume—project onto someone—that when a client is late for an appointment with you it is because he doesn’t want to be there with you, or perhaps doesn’t like you.
You might then respond by being irritated and short with the person, or hurt. You might assume the client is not being respectful of you. In this instance, you are projecting out onto the other person your unconscious reasons for his tardiness.
Psychiatrist Carl Jung defines the shadow as the parts of our personality we reject out of fear, ignorance, shame, or lack of love. So next time when you hate someone, just be aware of what’s inside you before inclining to judge.
For in the same way you judge others, you will be judged, and with the measure you use, it will be measured to you.– Bible