Comment Plato's Apology (Score 1) 880
The Apology by Plato is a good start. One of the themes in it is useful skepticism. "I know that I have no wisdom..." It's an easy short read.
http://classics.mit.edu/Plato/apology.html
"Take that, you hostile sons-of-bitches!" -- James Coburn, in the finale of _The_President's_Analyst_