Also predicting about career will be easier if you see his head line. If the head line is straight and long, he will get more success. If this head line is short, he doesn't have enough brain to cope with the real world or grasp any new idea. Whether scientists believe it or not, the capability of understanding the situation and grasping new ideas varies person to person depending on this head line. If anyone engages himself in study, his head line will be longer, if he breaks his study, it will obviously be short.
Compare this left hand and Right hand
There are two hands of a person on the right side. The upper one is the left hand with longer head line. That means he was very eager for his higher study and brilliant also!
Now see the hand below, it is the right hand of that person. It has a shorter head line. A shorter head line naturally means lower activity of brain and he will not intend to study anymore!
We can say, this person had a potential to get higher education, but somehow he couldn't manage to be in the flow of study and so his brain is degrading just passing its energy with normal daily activities without any new idea or creative study.