Arthur Schopenhauer — "The source of all unhappiness is the desire for happiness."

"The more original a man is, the more he will be alone."

"If you want to know your true opinion of someone, watch the effect produced in you by the first sight of a letter from him."

"The greatest mistake a man can make is to fall in love with a woman."

"A last trick is to become personal, insulting and rude as soon as you perceive that your opponent has the upper hand. In becoming personal you leave the subject altogether, and turn your attack on the…"

"The fundamental defect of the female character is a lack of a sense of justice. This originates first and foremost in their want of rationality and capacity for reflexion but it is strengthened by the…"