Purity is a good mask for corruption because it discourages inquiry.

No matter how expert you may be, well-designed checklists can improve outcomes.

And knowing what happens on average is a good place to start. By so doing, we insulate ourselves from the tendency to build our thinking - our daily decisions, our laws, our governance - on exceptions and anomalies rather than on reality

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.

The key to learning is feedback. It is nearly impossible to learn anything without it.

The gulf between the information we proclaim & the information we know to be true is vast. In other words: we say one thing & do another.

Don't trust, just verify.