改变始于决定，但靠行动维持。
Change starts with a decision, but it's sustained by action.
True progress comes when we challenge the status quo and embrace change.
张大千对绘画题材难易程度的评价。
A mathematical proof is not just a verification but a story that reveals deeper truths.
We are all time travelers, moving at the speed of exactly 60 minutes per hour.
We are on the verge: Today our program proved Fermat's next-to-last theorem.