"I don't really care what people think about me. I just focus on my job."

你可以用图画表达许多不需要用语言表达的东西。

"It's important to write about difficult subjects in a way that children can understand."

数学家的工作永无止境；总有新的问题要问，新的谜题要解。

总的来说，金融体系从社会中减去价值。