"The goal of mathematics is to understand the universe."

我不是没素材了，我只是没时间了。

表演最有回报的部分是在深刻的情感层面上与观众建立联系。

The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.

The barriers to women’s advancement are often invisible until you look for them.

真正的教师会保护学生免受他个人影响。

空间是一种物质。

被解雇后

我们需要对互联网的安全保持警惕。