Because of styles people are separated. Research your own experience, absorb what is useful, reject what is useless, add what is essentially your own.
Bruce LeeFear comes from uncertainty; we can eliminate the fear within us when we know ourselves better. As the great Sun Tzu said: โWhen you know yourself and your opponent, you will win every time. When you know yourself but not your opponent, you will win one and lose one. However, when you do not know yourself or your opponent, you will be imperiled every time.
Bruce Lee