EURUSD ends with a small loss

How to understand the phrase "the simpler the trading system, the better"?

What is the degree of simplicity here? Or the simplicity here is not what I thought, just use a few indicators, so what do you think of this sentence?

How can one be called a qualified trader?

Why do many people say that those who use naked k to make orders are masters?

What are some things you didn't know until after you made a deal?

Before making a deal: I want to make a lot of money, first buy a house, and then add two cars! ! ![Image]After making a deal: don't rush forward, don't be arrogant, you are the top leek...[Image]

As a "trader", what trading discipline do you have to restrain yourself?