Those who never make mistakes work for those of us who do.
The competitor to be feared is one who never bothers about you at all, but goes on making his own business better all the time.
Those who believe they can do something and those who believe they can't are both right.
The only statement I care to make about the Protocols is that they fit in with what is going on.
People can have the Model T in any color – so long as it’s black.
One needs to be successful in the conventional way to learn just how far away from success it may be.