Curiosity is the very basis of education and if you tell me that curiosity killed the cat, I say only the cat died nobly.
What a strange idea to render a phrase without any context?
Anyway, here are the links to even more funny phrases, which are worth to know, yet unlikely to be used in a decent speech

answers.yahoo.com/question/index?qid=2008080821...
www.heckledepot.com/2011/01/11/fielder-heckles/
gregology.net/reference/funnysayings/