没有执行的创新只是空想。

"The truth is rarely simple, and it’s often more painful than the lies we tell ourselves."

数学是一门活生生的学科，随着新的思想和发现不断演变。

时间是一条既向前流又向后流的河流。

Humans are allergic to change. They love to say, 'We've always done it this way.' I try to fight that. That's why I have a clock on my wall that runs counter-clockwise.