That man is rich indeed who has more friends than enemies, fears no one, and is so busy building that he has no time to devote to tearing down another's hopes and plans.
Napoleon HillWho told you it couldn't be done? And what great achievement has he to his credit that entitles him to use the word 'impossible' so freely?
Napoleon HillA mind ill with negative attitudes is more dangerous than a sick body, for its sickness is always contagious.
Napoleon Hill