The man in charge must concern himself with details. If he does not consider them important, neither will his subordinates.
Hyman RickoverTo doubt one's own first principles is the mark of a civilized man. Don't defend past actions; what is right today may be wrong tomorrow. Don't be consistent; consistency is the refuge of fools.
Hyman RickoverMore than ambition, more than ability, it is rules that limit contribution; rules are the lowest common denominator of human behavior. They are a substitute for rational thought.
Hyman Rickover