
Aristippus, 4.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 2: Socrates, his predecessors and followers
Diogenes Laërtius, vi. 36
Quoted by Diogenes Laërtius
Aristippus, 4.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 2: Socrates, his predecessors and followers
Diogenes Laërtius, vi. 33, 43
Quoted by Diogenes Laërtius
Narrated Anas bin Malik, in Bukhari, Volume 9, Book 89, Number 256
Sunni Hadith
13 August 339 according to page 185 of "The History of the Jews in the Greco-Roman World" by Peter Schafer, published in 2003 https://books.google.ca/books?id=tdKCAgAAQBAJ&pg=PA185
Narrated 'Abdullah Volume 9, Book 89, Number 258 http://web.archive.org/web/20111004120922/http://www.cmje.org/religious-texts/hadith/bukhari/089-sbt.php#009.089.258
Sunni Hadith
982a.15, W. Ross, trans., The Basic Works of Aristotle (2001), p. 691.
Metaphysics