"It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to change". Charles Darwin, 1809.
 
What's the difference between a Kleptomaniac and a Literalist?
The Literalist takes things literally. The Kleptomaniac takes things, literally.
[and there are still people out there who think one can do away with punctuation...! ☺ Ed.]
 
The difference between stupidity and genius is that genius has its limits.  (attributed to Albert Einstein).
 
Everything that's supposedly caused by stress, I tell people there's a Nobel Prize there if you find out the real cause.  Prof Barry Marshall, Nobel Prize Laureate for his discovery of a cure for duodenal ulcers