Algebra is generous; she often gives more than is asked of her.
代数是慷慨的；她常常给予的比被要求的更多。
The financial markets generally are unpredictable. So that one has to have different scenarios... The idea that you can actually predict what's going to happen contradicts my way of looking at the market.
The world is full of willing people; some willing to work, the rest willing to let them.
数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。