Send a Quote Enter a brief message. SendOk2 “Whether we believe the Greek poet, "it is sometimes even pleasant to be mad", or Plato, "he who is master of himself has knocked in vain at the doors of poetry"; or Aristotle, "no great genius was without a mixture of insanity"; the mind cannot express anything lofty and above the ordinary unless inspired.” ~ Lucius Annaeus Seneca (4 B.C.-A.D. 65) Roman Stoic philosopher, statesman, dramatist, "Seneca the Younger"Source: On Tranquility of the Mind, A letter to Serenus as translated in Tranquillity of Mind and Providence (1900) by William Bell Langsdorf.