Protagoras
Protagoras
Full Name and Common Aliases
Protagoras of Abdera was a Greek philosopher, often referred to as the founder of Sophism. His life is shrouded in mystery, but his writings and quotes have left an indelible mark on Western philosophy.
Birth and Death Dates
Protagoras' birth date is unknown, although it's estimated to be around 490 BCE. As for his death, it remains a topic of debate among historians; some believe he was killed during the Athenian purge in 420 BCE, while others argue that he may have escaped.
Nationality and Profession(s)
As a Greek philosopher from Abdera, Protagoras is often associated with the Sophist movement. This group of thinkers focused on developing critical thinking skills, rhetoric, and individualism. As a renowned Sophist, Protagoras was known for his expertise in various subjects, including philosophy, politics, literature, and music.
Early Life and Background
Little is known about Protagoras' early life. However, it's believed that he came from a wealthy family and received an excellent education in the arts and sciences. As a young man, he traveled extensively throughout Greece, honing his skills as a Sophist and philosopher. This exposure to diverse ideas and cultures likely shaped his perspectives on human nature and reality.
Major Accomplishments
Protagoras' most significant contribution was the development of Sophism as we know it today. He emphasized individualism, encouraging people to think critically about their lives and values. His teachings focused on cultivating self-awareness, intellectual curiosity, and a deep understanding of human psychology.
Notable Works or Actions
Unfortunately, much of Protagoras' work has been lost over time. However, some fragments of his writings have survived through the centuries. His most notable works include:
The Truth: A treatise on epistemology, where he explored the nature of knowledge and reality.
The Sophists: A collection of dialogues that showcased Protagoras' views on education, politics, and human nature.
Impact and Legacy
Protagoras' influence extends far beyond his own time. His ideas about individualism, critical thinking, and intellectual curiosity have shaped the development of Western philosophy. Many notable philosophers, including Plato and Aristotle, drew upon his teachings to forge their own theories.
Why They Are Widely Quoted or Remembered
Protagoras is widely quoted and remembered for his thought-provoking statements on human nature and reality. Some of his most famous quotes include:
"Man is the measure of all things."
"The truth is in what you believe."
* "It's impossible to know whether the gods exist or not."
These quotes capture the essence of Protagoras' philosophy, emphasizing the importance of individual perspective and subjective experience. His teachings continue to inspire new generations of thinkers, writers, and philosophers, ensuring his legacy endures for centuries to come.
Quotes by Protagoras

Man is the measure of all things of things that are, that they are, of things are not, that they are not.

Many things prevent knowledge, including the obscurity of the subject and the brevity of human life.


Man is the measure of all things, of the reality of those which are, and of the unreality of those which are not.

Concerning the gods, I have no means of knowing either that they exist or that they do not exist, nor what sort of form they may have; there are many reasons why knowledge on this subject is not possible, owing to the lack of evidence and the shortness of human life.

Man is the measure of all things, of things that are that they are, and of things that are not that they are not.

Many things prevent knowledge, including the obscurity of the subject and the brevity of human life

When it comes to consideration of how to do well in running the city, which must proceed entirely through justice and soundness of mind.

