Arthur Schopenhauer — "Man is the only animal that causes pain to others for the mere pleasure of doing…"

"The world is nothing but my representation."

"Neither for music, nor for poetry, nor for fine art have they any real or true sense and susceptibility, and it is mere mockery on their part, in their desire to please, if they affect any such thing."

"The discovery of truth is prevented more effectively, not by the false appearance things present and which mislead into error, not directly by weakness of the reasoning powers, but by preconceived opi…"

"Politeness is to human nature what warmth is to wax."

"The safest way of not being very miserable is not to expect to be very happy."