If you watch the video, you’ll hear it from the man himself: “The Most Important Thing [A Trader] Can Have Is Humility.”
And it makes sense.
In short, here’s why…
A great trader knows that his ego will undoubtedly act like a wall between himself and his long-term goals. So he makes sure he doesn’t inflate or assert it.
In other words, the cognitive and affective component of humility (which he possess) tones down the excessive self-obsession that he might be prone to displaying.
Hence, his experience of trading is a lot smoother because he is not fighting the market anymore. Nor is he fighting himself.
From the video: