The lesson we learn from trading experience and articles we read are quite different, though the lesson from both are very important in trading but the mistakes of some beginners, they get much confidence in trading after learning only from books.
Experience gives the best lessons to traders, which beginners should never be in haste or be so confidence to trade with big amount of money by only gaining knowledge from reading books about trading.
The problem with most beginner is that they are in hast to make quick money without getting the real training and skill that will give them the money. Although, sometimes we learn through mistake but there is need to have more experience to avoid making expensive mistakes.
Trading is a capital intensive activity that require learning and experience so there is need to learn and get the real knowledge of trading process before getting trading