Send a Quote Enter a brief message. SendOk2 “The best ideas are common property.” ~ Lucius Annaeus Seneca (4 B.C.-A.D. 65) Roman Stoic philosopher, statesman, dramatist, "Seneca the Younger"Source: Epistulae Morales ad Lucilium (Moral Letters to Lucilius), Letter XII: On old age, line 11.