As cultures became more complex and evolved, they needed to keep records about their societies. Priests began to record who had donated religious offerings, traders recorded their transactions among different groups of peoples, and leaders recorded their victories in battle, as well as laws for their people to follow.
Written language began as pictures known as glyphs. These glyphs represented objects and ideas. Over many thousands of years these glyphs have evolved becoming the letters that we use today.
Youth is when you blame all your troubles on your parents; maturity is when you learn that everything is the fault of the younger generation.