"Attention authors: if a reviewer writes an unfair review of your work, contact me, I can be very unfair in reviewing his review."

"If you have more than one reason to do something (choose a doctor or veterinarian, hire a gardener or an employee, marry a person, go on a trip), just don't do it. Obvious decisions (robust to error) …"

"The greatest invention of mankind is the ability to ignore things."

"Never ask a barber if you need a haircut."

"Never trust a man who wears a tie."