Heraclitus was a philosopher who lived before Socrates. He is from Ehesus, a city of in Turkey. He was born (500 BC). That Era witnessed a shift in tradition to writing down their knowledge, philosophy, and history etc. He was an abstract philosopher. Heraclitus wrote a one book only, with the title On Nature. He believed the whole universe is in constant change. An opinion that opposed the main concept or religion of that time. His aim was to awaken people to consider thinking differently about religion, society, death and life. Life should have opposites in a unified way of balanced exchange.
One of his main quotes is that "opposition brings concord," and "out of discord comes the fairest harmony". What he means by