fix typo in old quote, add new quote

git-svn-id: https://subversion.cs.illinois.edu/svn/cs225@8101 6fbd10e7-183d-0410-a318-cb416676e4f2

source/quotes.txt

@@ -11,7 +11,7 @@
 "If you think you can do it all, you're thinking too small." ~ Michael Lopp
 "When you say 'You suck', I think 'I win'." ~ Michael Lopp
 "Honestly, if you don't fit in, then you're probably doing the right thing." ~ LIGHTS
-"Simplicity and elegance are unpopular because thy require hard work and discipline to achieve and education to be appreciated." ~ Edsger Dijkstra
+"Simplicity and elegance are unpopular because they require hard work and discipline to achieve and education to be appreciated." ~ Edsger Dijkstra
 "I love deadlines. I like the whooshing sound they make as they fly by." ~ Douglas Adams
 "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." ~ Brian Kernighan
 "The first 90% of the code accounts for the first 90% of the development time. The remaining 10% of the code accounts for the other 90% of the development time." ~ Tom Cargill
@@ -78,3 +78,4 @@
 "The slogan of Subversion for a while was "CVS done right", or something like that, and if you start with that kind of slogan, there's nowhere you can go. There is no way to do CVS right." ~ Linus Torvalds
 "If you can't remember a formula during the exam it's probably not important." ~ Prof. Chengxiang Zhai
 "I'm not saying he's evil incarnate based on that fact alone; I've always known it." ~ REDACTED
+"Anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge.'" ~ Isaac Asimov