If you own a gun and have a swimming pool in the yard, the swimming pool is almost 100 times more likely to kill a child than the gun is.
Purity is a good mask for corruption because it discourages inquiry.
Don't trust, just verify.
The data don't lie: a Chicago street prostitute is more likely to have sex with a cop than to be arrested by one.
The conventional wisdom is often wrong.
An incentive is a bullet, a key: an often tiny object with astonishing power to change a situation