Obstinacy is will asserting itself without being able to justify itself. It is persistence without a reasonable motive. It is the tenacity of self-love substituted for that of reason and conscience. – Henri Frederic Amiel
Certainly, the mistakes that we male and female mortals make when we have our own way might fairly raise some wonder that were so fond of it. – George Eliot
There are probably several hundred thousand if we narrow the definition to include only those who in their search for money and power are ruthless and deceitful. – Henry A. Wallace