The core investment views expressed by Duan Yongping during his interview at Zhejiang University are actually things he has reiterated many times before:

1. If you discover a mistake, correct it as soon as possible; no matter the cost, it may be the smallest cost.

"In fact, my greatest wealth comes from the mistakes I've made."

"One thing I can be sure of is that we will all continue to make mistakes in the future."

2. Don't engage in things you don't understand; the big money I've made has all come from areas I truly understand.

"I asked Buffett what should not be done in investing, and he told me: don't short-sell, don't borrow money, and most importantly, don't engage in things you don't understand.

Over the years, I have lost hundreds of millions of dollars in investments, each loss being contrary to Buffett's teachings, while the big money earned has all come from areas I truly understand."