The root of all superstition is that men observe when a thing hits but not when it misses.
Silence is the sleep that nourishes wisdom.
The most positive men are the most credulous.
On my job I end up jumping out of planes. Last week I got in an 18-wheeler and drove down a runway onto a skid track. The week before that they put me in a car and sunk me to the bottom of a lake to see if I could escape without an oxygen tank.