第一项任务是理解问题，第二项是找到解决方案，第三项是执行它。
The first task is to understand the problem, the second to find a solution, and the third to carry it out.
挑战不在于代表非洲，而在于呈现非洲的复杂性。
在数学的世界里，想象力比知识更重要。
"We are all the sum of our stories, and biography helps us understand the equation."
洛丽塔，我生命之光，我欲念之火。我的罪恶，我的灵魂。洛一丽一塔。