Euphrates was an eminent Stoic

STOIC

STOIC was a variant of Forth.It started out at the MIT and Harvard Biomedical Engineering Centre in Boston, and was written in the mid 1970s by Jonathan Sachs...

 philosopher, who lived c. 35-118 AD.

According to Philostratus

Philostratus

Philostratus or Lucius Flavius Philostratus , , called "the Athenian", was a Greek sophist of the Roman imperial period. His father was a minor sophist of the same name. He was born probably around 172, and is said by the Suda to have been living in the reign of emperor Philip the Arab . His death...

, he was a native of Tyre, and according to Stephanus of Byzantium

Stephanus of Byzantium

Stephen of Byzantium, also known as Stephanus Byzantinus , was the author of an important geographical dictionary entitled Ethnica...

, of Epiphania in Syria

Syria

Syria , officially the Syrian Arab Republic , is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the West, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest....

; whereas Eunapius

Eunapius

Eunapius was a Greek sophist and historian of the 4th century. His principal surviving work is the Lives of the Sophists, a collection of the biographies of twenty-three philosophers and sophists.-Life:He was born at Sardis, AD 347...

 calls him an Egyptian

Egyptians

Egyptians are nation an ethnic group made up of Mediterranean North Africans, the indigenous people of Egypt.Egyptian identity is closely tied to geography. The population of Egypt is concentrated in the lower Nile Valley, the small strip of cultivable land stretching from the First Cataract to...

. At the time when Pliny the Younger

Pliny the Younger

Gaius Plinius Caecilius Secundus, born Gaius Caecilius or Gaius Caecilius Cilo , better known as Pliny the Younger, was a lawyer, author, and magistrate of Ancient Rome. Pliny's uncle, Pliny the Elder, helped raise and educate him...

 served in Syria (c. 81 AD), he became acquainted with Euphrates, and seems to have formed an intimate friendship with him. In one of his letters he gives us a detailed account of the virtues and talents of Euphrates:

Euphrates is possessed of so many shining talents, that he cannot fail to strike and engage even the somewhat illiterate. He reasons with much force, penetration, and elegance, and frequently embodies all the sublime and luxuriant eloquence of Plato

Plato

Plato , was a Classical Greek philosopher, mathematician, student of Socrates, writer of philosophical dialogues, and founder of the Academy in Athens, the first institution of higher learning in the Western world. Along with his mentor, Socrates, and his student, Aristotle, Plato helped to lay the...

. His style is rich and various, and at the same time so wonderfully sweet, that it seduces the attention of the most unwilling hearer. His outward appearance is agreeable to all the rest: he has a tall figure, a comely aspect, long hair, and a large white beard: circumstances which though they may probably be thought trifling and accidental, contribute however to gain him much reverence. There is no uncouthness in his manner, which is grave, but not austere; and his approach commands respect without creating awe. Distinguished as he is by the sanctity of his life, he is no less so by his polite and affable address. He points his eloquence against the vices, not the persons of mankind, and without chastising reclaims the wanderer. His exhortations so captivate your attention, that you hang as it were upon his lips; and even after the heart is convinced, the ear still wishes to listen to the harmonious reasoner.

His great power as an orator is acknowledged also by other contemporaries, though Apollonius of Tyana

Apollonius of Tyana

Apollonius of Tyana was a Greek Neopythagorean philosopher from the town of Tyana in the Roman province of Cappadocia in Asia Minor. Little is certainly known about him...

 charges him with avarice and servile flattery. When he had arrived at an advanced age, and was tired of life, he asked and obtained from emperor Hadrian

Hadrian

Hadrian , was Roman Emperor from 117 to 138. He is best known for building Hadrian's Wall, which marked the northern limit of Roman Britain. In Rome, he re-built the Pantheon and constructed the Temple of Venus and Roma. In addition to being emperor, Hadrian was a humanist and was philhellene in...

 the permission of putting an end to himself by poison

Poison

In the context of biology, poisons are substances that can cause disturbances to organisms, usually by chemical reaction or other activity on the molecular scale, when a sufficient quantity is absorbed by an organism....

.