The first nine probably date from the 3rd century BC, they are usually included among the Cynic epistles, and reflect how the Cynic philosophers viewed him as prefiguring many of their ideas ; the tenth letter is quoted by Diogenes Laertius, it is addressed to Croesus, the proverbially rich king of Lydia, it too is fictitious:

:" He marvelled that among the Greeks, those who were skillful in a thing vie in competition ; those who have no skill, judge " — Diogenes Laertius, of Anacharsis.

v. 32 ; Diogenes Laertius i. 101-5 ; Athenaeus, iv.

According to Diogenes Laertius and Plutarch he fled to Lampsacus due to a backlash against his pupil Pericles.

Diogenes Laertius reports the story that he was prosecuted by Cleon for impiety, but Plutarch says that Pericles sent his former tutor, Anaxagoras, to Lampsacus for his own safety after the Athenians began to blame him for the Peloponnesian war.

According to Diogenes Laertius, in response to Alexander's claim to have been the son of Zeus-Ammon, Anaxarchus pointed to his bleeding wound and remarked, " See the blood of a mortal, not ichor, such as flows from the veins of the immortal gods.

" Diogenes Laertius also says that Nicocreon, the tyrant of Cyprus, commanded him to be pounded to death in a mortar, and that he endured this torture with fortitude and Cicero relates the same story.

The only surviving complete works by Epicurus are three letters, which are to be found in book X of Diogenes Laertius ' Lives of Eminent Philosophers, and two groups of quotes: the Principal Doctrines, reported as well in Diogenes ' book X, and the Vatican Sayings, preserved in a manuscript from the Vatican Library.

Epicurus ' cheerful demeanor, as he continued to work despite dying from a painful stone blockage of his urinary tract lasting a fortnight, according to his successor Hermarchus and reported by his biographer Diogenes Laertius, further enhanced his status among his followers.

( Diogenes Laertius quoting Cleanthes ; quoted also by Seneca, Epistle 107.

Diogenes Laertius states that Xenophon was sometimes known as the " Attic Muse " for the sweetness of his diction ; very few poets wrote in the Attic dialect.

Diogenes Laertius, a fourth source for information about Zeno and his teachings, citing Favorinus, says that Zeno's teacher Parmenides was the first to introduce the Achilles and the Tortoise Argument.

By the 16th century, the works of Diogenes Laertius were being printed in Europe.

Epicurus ' philosophy of the physical world is found in his Letter to Herodotus: Diogenes Laertius 10. 34-83.

The subject of this type evidently refers to a story related by Diogenes Laertius that the Selinuntines were afflicted with a pestilence from the marshy character of the lands adjoining the neighboring river, but that this was cured by works of drainage, suggested by Empedocles.

In comparison, Socrates accepted no fee, instead professed a self-effacing posture, which he exemplified by Socratic questioning ( i. e. the Socratic method, although Diogenes Laertius wrote that Protagoras — a sophist — invented the " Socratic " method ).

According to Diogenes Laertius, he had a brother named Dropidas and was an ancestor ( six generations removed ) of Plato.

The passage in which the above occurs has been described as " elaborately ironical ", making it unclear which of its aspects may be taken seriously, although Diogenes Laertius later confirms that there were indeed seven such individuals who were held in high esteem for their wisdom well before Plato's time.

Diogenes Laertius further states that Dicaearchus gave ten possible names, Hippobotus suggested twelve names, and Hermippus enumerated seventeen possible sages from which different people made different selections of seven.

Unlike with Aristotle, we have no complete works by the Megarians or the early Stoics, and have to rely mostly on accounts ( sometimes hostile ) by later sources, including prominently Diogenes Laertius, Sextus Empiricus, Galen, Aulus Gellius, Alexander of Aphrodisias and Cicero.

Diogenes Laertius says Pythagoras died in a fire in Milo's house, but Dicaearchus says Pythagoras died in the temple of the Muses at Metapontum of self-imposed starvation.

Diogenes Laertius, after quoting a famous epigram by Cleobulus ( one of ancient Greece's ' seven sages ') in which a maiden sculptured on a tomb is imagined to proclaim her eternal vigilance, quotes Simonides commenting on it in a poem of his own: Stone is broken even by mortal hands.

The biographical notices, the author avers, are condensed from the Onomatologion or Pinax of Hesychius of Miletus ; other sources were the excerpts of Constantine Porphyrogenitus, the chronicle of Georgius Monachus, the biographies of Diogenes Laertius and the works of Athenaeus and Philostratus.

Diogenes Laertius (;, Diogenēs Laertios ; fl.

Some other examples of his bitter sarcasms are recorded by Diogenes ; one of which is worth quoting as a maxim in criticism: being asked by Aratus how to obtain the pure text of Homer, he replied, " If we could find the old copies, and not those with modern emendations.

In modern literature, Cockney rhyming slang is used frequently in the novels and short stories of Kim Newman, for instance in the short story collections " The Man from the Diogenes Club " ( 2006 ) and " Secret Files of the Diogenes Club " ( 2007 ), where it is explained at the end of each book.

Diogenes says that he abdicated the kingship ( basileia ) in favor of his brother and Strabo confirms that there was a ruling family in Ephesus descended from the Ionian founder, Androclus, which still kept the title and could sit in the chief seat at the games, as well as a few other privileges.

With regard to education, Diogenes says that Heraclitus was " wondrous " ( thaumasios, which, as Plato explains in the Theaetetus and elsewhere, is the beginning of philosophy ) from childhood.

The knowledge we have of them derives from accounts of later philosophical writers ( especially Aristotle, Plutarch, Diogenes Laërtius, Stobaeus and Simplicius ), and some early theologians, ( especially Clement of Alexandria and Hippolytus of Rome ).

The last of the Presocratic natural philosophers was Diogenes of Apollonia from Thrace ( born c. 460 BCE ).

* Change of Patriarch of Constantinople from Patriarch Sedecion to Patriarch Diogenes.

* Change of Patriarch of Constantinople from Patriarch Diogenes to Eleutherius.

Most of the details known about his life come from the anecdotes preserved by Diogenes Laërtius in his Lives and Opinions of Eminent Philosophers.

Romanos ( or Romanus ) IV Diogenes ( Greek: Ρωμανός Δ ΄ Διογένης, Rōmanos IV Diogenēs ) was a member of the Byzantine military aristocracy who, after his marriage to the widowed empress Eudokia Makrembolitissa was crowned Byzantine emperor and reigned from 1068 to 1071.

He was struck with horror, along with many other Romans of the graver stamp, at the licence of the Bacchanalian mysteries, which he attributed to the influence of Greek manners ; and he vehemently urged the dismissal of the philosophers ( Carneades, Diogenes, and Critolaus ), who came as ambassadors from Athens, on account of the dangerous nature of the views expressed by them.

* Straxus from the audio dramas Human Resources, Sisters of the Flame / Vengeance of Morbius and the Bernice Summerfield audio drama The Adventure of the Diogenes Damsel

Diogenes of Sinope, speaking in jest, related a myth of Pan learning masturbation from his father, Hermes, and teaching the habit to shepherds.

* Diogenes of Babylon or " Diogenes the Stoic " ( c. 230 – c. 150 BC ), Stoic philosopher from Seleucia, frequently confused with the following

* Diogenes ( journal ) from the International Council of Philosophy and Humanistic Studies

* Diogenes Pendergast, fictional character from Douglas Preston and Lincoln Child's Pendergast series of books

" He was a disciple of Apollodorus, and Cicero and Diogenes Laërtius both describe him as an accurate and polished thinker.