Arthur Schopenhauer

"Talent hits a target no one else can hit. Genius hits a target no one else can see."

"All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident."

"A man can be himself only so long as he is alone."

"The two enemies of human happiness are pain and boredom."

"Compassion is the basis of morality."