Zu Chongzhi was a great scientist in ancient China. What is he most worth learning?

Answer 1: Zu Chongzhi was a great scientist in ancient China. There are many excellent qualities in him that are worth learning by future generations. Among them, what is most worth learning is his assiduous study and innovative spirit.

Answer 2: What is most worth learning is his extensive knowledge and outstanding contribution.

Answer 3: What is most worth learning is that he won the recognition of the world with his own efforts and innovative spirit, not by anything else.

The above is for reference.