"I think it's very important to bring to people's attention that the issue of blood diamonds is a very important one;

VOA: standard.2010.08.05

But you see the difference. Great question, and a very important thing to understand, and that's why I'm belaboring this point, since this is where people tend to get pretty confused, and this is why mutation is very important to understand. Yeah.

但是你们已经发现区别了，这问题挺好的，并且有重要的一点需要我们去注意的是，人们经常对可变性这一点感到很迷惑，但是可变性是很重要的,我们需要理解它,这也是我经常强调这一点的原因。

麻省理工公开课 - 计算机科学及编程导论课程节选

"I think the site is very important in showing that right across the world people have not forgotten her,".

VOA: standard.2009.06.19