Arthur Schopenhauer — "The world is a bad joke."

"The only original philosophical thought is that life is not worth living."

"The life of an individual is a constant struggle, and not merely a metaphorical one against want or boredom, but also an actual struggle against other people."

"It is difficult to find happiness within oneself, but it is impossible to find it anywhere else."

"The nobler and more perfect a thing is, the later and slower it is in arriving at maturity. A man reaches the maturity of his reason and mental powers hardly before the age of eight-and-twenty; a woma…"

"The greatest happiness is to be born, and the least to die."