Look at your needs! If you really want to learn, you want to learn well! Then I tell you, first of all, the learning atmosphere of a training institution is very important; Secondly, your own attitude, which must be correct; Secondly, your goal is to determine what level I want to reach after my training; Finally, your efforts; If people who are more talented than you are working hard, what will you do to surpass them? So, considering your own situation, seriously consider your choice! You can find your answer in How linux Should Learn.