Confidence isn't arrogance

There is evidence that the earlier failed ventures provide valuable resources for entrepreneurs’ future use,. Even though entrepreneurs may be unable to explain why their performance has improved, they will be acutely aware of it and may use it to better calibrate their likelihood of future success. Being highly confident in their abilities keeps them trying and learning from their experience, until eventually they succeed.

You don't have to be arrogant to succeed but….!

There is evidence that the earlier failed ventures provide valuable resources for entrepreneurs’ future use,. Even though entrepreneurs may be unable to explain why their performance has improved, they will be acutely aware of it and may use it to better calibrate their likelihood of future success. Being highly confident in their abilities keeps them trying and learning from their experience, until eventually they succeed.